Puerto Rico
Resource Information
The place Puerto Rico represents a specific geographic location related to resources found in University of Missouri-St. Louis Libraries.
The Resource
Puerto Rico
Resource Information
The place Puerto Rico represents a specific geographic location related to resources found in University of Missouri-St. Louis Libraries.
- Label
- Puerto Rico
A sample of Items that are about the Place Puerto Rico See All
1 Items published in the Place Puerto Rico
Context
Context of Puerto RicoFocus of
No resources found
No enriched resources found
- Puerto Rico
- Puerto Rico
- Puerto Rico
- Puerto Rico
- Puerto Rico
- Puerto Rico
- Puerto Rico -- Agriculture | Economic aspects -- Statistics
- Puerto Rico -- Anniversaries, etc
- Puerto Rico -- Antiquities
- Puerto Rico -- Appropriations and expenditures
- Puerto Rico -- Archival resources
- Puerto Rico -- Arecibo
- Puerto Rico -- Arroyo
- Puerto Rico -- Barceloneta
- Puerto Rico -- Barceloneta
- Puerto Rico -- Bibliography
- Puerto Rico -- Bibliography
- Puerto Rico -- Bio-bibliography
- Puerto Rico -- Biography
- Puerto Rico -- Cabo Rojo
- Puerto Rico -- Caguas
- Puerto Rico -- Caguas
- Puerto Rico -- Carraízo Reservoir
- Puerto Rico -- Carraízo Reservoir
- Puerto Rico -- Carraízo Reservoir Watershed
- Puerto Rico -- Census | Planning
- Puerto Rico -- Census, 1990
- Puerto Rico -- Census, 1990
- Puerto Rico -- Census, 2000
- Puerto Rico -- Census, 2000
- Puerto Rico -- Census, 2000 | Study and teaching
- Puerto Rico -- Census, 2010
- Puerto Rico -- Census, 2010
- Puerto Rico -- Cidra Lake
- Puerto Rico -- Civilization
- Puerto Rico -- Civilization -- 20th century
- Puerto Rico -- Colonial influence
- Puerto Rico -- Colonization
- Puerto Rico -- Commerce -- United States
- Puerto Rico -- Condiciones económicas -- 1952
- Puerto Rico -- Culebra Island
- Puerto Rico -- Culebra Island
- Puerto Rico -- Culebra | Ensenada Honda
- Puerto Rico -- Demajagua River Watershed
- Puerto Rico -- Description and travel
- Puerto Rico -- Dictionaries
- Puerto Rico -- Drama
- Puerto Rico -- Economic conditions
- Puerto Rico -- Economic conditions
- Puerto Rico -- Economic conditions -- 1918-1952
- Puerto Rico -- Economic conditions -- 1952-
- Puerto Rico -- Economic conditions -- 21st century -- Periodicals
- Puerto Rico -- Economic conditions -- Periodicals
- Puerto Rico -- Economic conditions -- Statistics
- Puerto Rico -- Economic conditions | Statistics
- Puerto Rico -- Economic policy
- Puerto Rico -- Emigration and immigration
- Puerto Rico -- Emigration and immigration | History -- 20th century
- Puerto Rico -- Emigration and immigration | Social aspects
- Puerto Rico -- Encyclopedias
- Puerto Rico -- Environmental aspects
- Puerto Rico -- Environmental conditions -- Juvenile literature
- Puerto Rico -- Ethnic relations
- Puerto Rico -- Fiction
- Puerto Rico -- Fiction
- Puerto Rico -- Fiction
- Puerto Rico -- Foreign economic relations -- United States
- Puerto Rico -- Foreign relations -- Cuba
- Puerto Rico -- Foreign relations -- United States
- Puerto Rico -- Gazetteers
- Puerto Rico -- Guanajibo River Valley
- Puerto Rico -- Guayama Region
- Puerto Rico -- Guidebooks
- Puerto Rico -- Historiography -- Periodicals
- Puerto Rico -- History
- Puerto Rico -- History -- 1898-1952
- Puerto Rico -- History -- 1898-1952
- Puerto Rico -- History -- 20th century
- Puerto Rico -- History -- Insurrection, 1868
- Puerto Rico -- History -- Juvenile literature
- Puerto Rico -- History -- Periodicals
- Puerto Rico -- History -- Sources
- Puerto Rico -- History -- To 1898
- Puerto Rico -- History -- To 1898 -- Biography
- Puerto Rico -- History -- To 1898 -- Juvenile fiction
- Puerto Rico -- History | Autonomy and independence movements
- Puerto Rico -- History | Dictionaries | Spanish
- Puerto Rico -- History | Sources
- Puerto Rico -- History, Military
- Puerto Rico -- Intellectual life -- 20th century
- Puerto Rico -- International status
- Puerto Rico -- Juvenile fiction
- Puerto Rico -- Juvenile fiction
- Puerto Rico -- Juvenile literature
- Puerto Rico -- Lake Caonillas
- Puerto Rico -- Lake Guayabal
- Puerto Rico -- Languages
- Puerto Rico -- Languages | Political aspects
- Puerto Rico -- Luquillo Experimental Forest
- Puerto Rico -- Luquillo Experimental Forest
- Puerto Rico -- Luquillo Mountains
- Puerto Rico -- Maps
- Puerto Rico -- Mayagüez
- Puerto Rico -- Mayagüez
- Puerto Rico -- Military relations -- United States
- Puerto Rico -- Moral conditions
- Puerto Rico -- Novela juvenil
- Puerto Rico -- Novela juvenil
- Puerto Rico -- Pictorial works
- Puerto Rico -- Politics and government
- Puerto Rico -- Politics and government -- 1898-1952
- Puerto Rico -- Politics and government -- 1898-1952
- Puerto Rico -- Politics and government -- 1952-1998
- Puerto Rico -- Politics and government -- 1998-
- Puerto Rico -- Politics and government -- 20th century
- Puerto Rico -- Politics and government -- Periodicals
- Puerto Rico -- Politics and government -- Sources
- Puerto Rico -- Politics and government -- To 1898
- Puerto Rico -- Ponce
- Puerto Rico -- Ponce Region
- Puerto Rico -- Ponce | Tibes
- Puerto Rico -- Population -- Statistics
- Puerto Rico -- Population policy | Bibliography
- Puerto Rico -- Population | Bibliography
- Puerto Rico -- Population | Statistics
- Puerto Rico -- Population | Statistics -- Maps
- Puerto Rico -- Race relations
- Puerto Rico -- Race relations | History -- 19th century
- Puerto Rico -- Relations -- United States
- Puerto Rico -- Relations -- United States -- Periodicals
- Puerto Rico -- Rural conditions
- Puerto Rico -- San Juan
- Puerto Rico
- Puerto Rico -- San Juan Region
- Puerto Rico -- San Sebastián
- Puerto Rico -- Santiago Cay
- Puerto Rico -- Social conditions
- Puerto Rico -- Social conditions
- Puerto Rico -- Social conditions -- 1952-
- Puerto Rico -- Social conditions -- Case studies
- Puerto Rico -- Social conditions -- Statistics
- Puerto Rico -- Social life and customs
- Puerto Rico -- Social life and customs -- Juvenile literature
- Puerto Rico -- Social policy
- Puerto Rico -- Statistics, Vital
- Puerto Rico -- Statistics, Vital
- Puerto Rico -- Vieques Island
- Puerto Rico -- Vieques Island
- Puerto Rico -- Yauco
- Puerto Rico -- Yunque Mountain
- Puerto Rico -- San Juan
- Puerto Rico
Subfocus of
No resources found
No enriched resources found
- Abortion -- Puerto Rico
- Abortion -- Puerto Rico -- Moral and ethical aspects
- Abortion -- Puerto Rico -- Psychological aspects
- Abused elderly -- Puerto Rico
- Adaptation (Biology) -- Puerto Rico | Luquillo Mountains
- Aedes aegypti -- Puerto Rico
- Aerial photography in hydrogeology -- Puerto Rico
- Aeromagnetic prospecting -- Puerto Rico
- African Americans -- Puerto Rico
- Agricultural laborers -- Puerto Rico -- History
- Agriculture -- Economic aspects -- Puerto Rico
- Agriculture -- Economic aspects -- Puerto Rico -- Statistics
- Agriculture -- Economic aspects -- Puerto Rico -- Statistics
- Agriculture -- Puerto Rico -- Statistics
- Agriculture -- Puerto Rico -- Statistics
- Agriculture -- Puerto Rico -- Statistics | Periodicals
- Agriculture, Cooperative -- Puerto Rico
- Agua -- Mitología -- Puerto Rico -- Literatura juvenil
- Air -- Pollution -- Puerto Rico
- Air pilots -- Certification -- Puerto Rico
- Air quality -- Puerto Rico
- Aircraft accidents -- Puerto Rico -- Case studies
- Aircraft accidents -- Puerto Rico | Mayagüez
- Aircraft accidents -- Puerto Rico | San Juan
- Airplanes -- Landing | Accidents -- Puerto Rico -- Case studies
- Airports -- Puerto Rico -- Directories
- Alluvial fans -- Puerto Rico | Juana Diaz -- Maps
- Alluvial fans -- Puerto Rico | Salinas -- Maps
- Alluvial plains -- Puerto Rico
- Alzheimer's disease -- Puerto Rico
- Analytical geochemistry -- Puerto Rico | Yabucoa Region
- Anarchism -- Puerto Rico -- History -- 20th century
- Animal industry -- Puerto Rico -- Statistics
- Animal industry -- Puerto Rico -- Statistics
- Anthropological linguistics -- Puerto Rico
- Antislavery movements -- Puerto Rico
- Aquatic habitats -- Puerto Rico
- Aquifers -- Puerto Rico
- Aquifers -- Puerto Rico -- Maps
- Aquifers -- Puerto Rico -- Observations
- Aquifers -- Puerto Rico | Barceloneta
- Aquifers -- Puerto Rico | Barceloneta Region
- Aquifers -- Puerto Rico | Caguas -- Maps
- Aquifers -- Puerto Rico | Demajagua River Watershed -- Maps
- Aquifers -- Puerto Rico | Espíritu Santo River Watershed -- Maps
- Aquifers -- Puerto Rico | Fajardo Region -- Maps
- Aquifers -- Puerto Rico | Juana Diaz -- Maps
- Aquifers -- Puerto Rico | Manati Region -- Maps
- Aquifers -- Puerto Rico | Manatí Region -- Maps
- Aquifers -- Puerto Rico | North Coast Province
- Aquifers -- Puerto Rico | Salinas -- Maps
- Aquifers -- Puerto Rico | Santa Isabel
- Aquifers -- Puerto Rico | Santa Isabel Region -- Maps
- Aquifers -- Puerto Rico | Vega Baja Region -- Maps
- Aquifers -- Puerto Rico | Yabucoa Region
- Archaeology and history -- Puerto Rico
- Artificial groundwater recharge -- Puerto Rico | Arecibo
- Assassination -- Puerto Rico -- History -- 20th century
- Atlases -- Puerto Rico
- Atmospheric temperature -- Puerto Rico | San Juan
- Ballads, Spanish -- Puerto Rico
- Banks and banking -- Puerto Rico -- Statistics | Periodicals
- Baseball players -- Puerto Rico -- Biography
- Baseball players -- Puerto Rico -- Biography | Juvenile literature
- Basins (Geology) -- Puerto Rico
- Beach erosion -- Puerto Rico
- Beef industry -- Puerto Rico -- Statistics
- Beef industry -- Puerto Rico -- Statistics
- Benthic plants -- Puerto Rico
- Benthos -- Conservation -- Puerto Rico | Jobos Bay -- Maps
- Benthos -- Habitat -- Puerto Rico | Guánica Bay
- Benthos -- Habitat -- Puerto Rico | Jobos Bay -- Maps
- Benthos -- Habitat -- Puerto Rico | Reserva Natural de La Parguera
- Benthos -- Puerto Rico
- Biodiversity -- Puerto Rico
- Biodiversity conservation -- Puerto Rico
- Biogeochemistry -- Puerto Rico | Luquillo Mountains
- Biosphere reserves -- Puerto Rico
- Biotic communities -- Puerto Rico | Luquillo Mountains
- Bird populations -- Puerto Rico | Caribbean National Forest -- Statistics
- Bird populations -- Puerto Rico | El Yunque National Forest -- Statistics
- Bird watching -- Puerto Rico
- Birds -- Ecology -- Puerto Rico | El Yunque National Forest
- Birds -- Ecology -- Puerto Rico | Luquillo Experimental Forest
- Birds -- Puerto Rico | Bosque Seco de Guánica
- Birds -- Puerto Rico | Bosque Seco de Guánica -- Identification
- Birds -- Puerto Rico | Bosque Seco de Guánica -- Pictorial works
- Birth control -- Puerto Rico
- Birth control -- Puerto Rico -- Cost effectiveness
- Birth control -- Puerto Rico -- History
- Birth control clinics -- Puerto Rico -- Costs
- Blacks -- Puerto Rico
- Bond market -- Puerto Rico
- Borings -- Puerto Rico
- Borings -- Puerto Rico | Vega Alta
- Botany -- Puerto Rico
- Botany -- Puerto Rico -- Classification
- Botany -- Puerto Rico | San Cristóbal Canyon
- Boys -- Puerto Rico | San Juan Metropolitan Area
- Budget deficits -- Law and legislation -- Puerto Rico
- Budget deficits -- Puerto Rico
- Buildings -- Natural disaster effects -- Puerto Rico
- Businessmen -- Puerto Rico
- Businesspeople -- Government policy -- Puerto Rico
- COVID-19 (Disease) -- Puerto Rico
- Campaign funds -- Puerto Rico
- Cancer -- Puerto Rico -- Prevention | Information services
- Catholic Church -- Puerto Rico
- Cattle trade -- Puerto Rico
- Census districts -- Puerto Rico -- Maps
- Census undercounts -- Puerto Rico
- Cerambycidae -- Puerto Rico
- Channels (Hydraulic engineering) -- Puerto Rico | Manatí River
- Channels (Hydraulic engineering) -- Puerto Rico | San Juan
- Chemical industry -- Puerto Rico
- Children -- Puerto Rico
- Children -- Taxation -- Puerto Rico -- Periodicals
- Children of military personnel -- Education -- Puerto Rico
- Christmas -- Puerto Rico
- Church records and registers -- Puerto Rico
- Cities and towns -- Puerto Rico -- Statistics
- Cities and towns -- Puerto Rico -- Statistics
- Citizenship -- Puerto Rico
- Citizenship -- Puerto Rico | Caguas
- City and town life -- Puerto Rico | San Juan -- History
- Civil rights -- Puerto Rico | Culebra Island
- Civil-military relations -- Puerto Rico | Vieques Island -- History -- 20th century
- Clay minerals -- Puerto Rico
- Clemente, Roberto, 1934-1972 -- Homes and haunts -- Puerto Rico
- Climatic changes -- Puerto Rico
- Climatic changes -- Puerto Rico | Caribbean National Forest
- Climatic changes -- Puerto Rico | Luquillo Mountains
- Climbing plants -- Puerto Rico
- Coastal zone management -- Puerto Rico | Mayagüez Bay
- Coastal zone management -- Puerto Rico | Vieques Island
- Coasts -- Puerto Rico
- Coasts -- Puerto Rico -- Maps
- Coastwise shipping -- Law and legislation -- Puerto Rico
- Cofer, Judith Ortiz, 1952- -- Travel -- Puerto Rico
- College students -- Puerto Rico -- Political activity
- Columbidae -- Counting -- Puerto Rico
- Columbidae -- Counting -- Puerto Rico | Vieques Island
- Commercial law -- Puerto Rico
- Commercial law -- Puerto Rico -- Congresses
- Common law -- Reception -- Puerto Rico
- Community development -- Puerto Rico
- Community development -- Puerto Rico -- Case studies
- Community life -- Puerto Rico -- History
- Community organization -- Puerto Rico | Salinas
- Conservation of natural resources -- Puerto Rico
- Constitutional conventions -- Puerto Rico
- Constitutional history -- Puerto Rico
- Constitutions -- Puerto Rico
- Construction industry -- Puerto Rico -- Statistics
- Contaminated sediments -- Puerto Rico | Guánica Bay
- Continental shelf -- Puerto Rico
- Contraception -- Puerto Rico -- History
- Copper ores -- Puerto Rico
- Copper ores -- Puerto Rico | Tanamá Region
- Coral reef conservation -- Puerto Rico | Guánica Bay -- Decision making
- Coral reef conservation -- Puerto Rico | Jobos Bay -- Maps
- Coral reef ecology -- Puerto Rico | Reserva Natural de La Parguera
- Coral reefs and islands -- Puerto Rico
- Coral reefs and islands -- Puerto Rico | Guánica Bay
- Coral reefs and islands -- Puerto Rico | Jobos Bay -- Maps
- Corals -- Puerto Rico | Guánica Bay
- Corporations -- Puerto Rico
- Corporations, Foreign -- Law and legislation -- Puerto Rico -- Congresses
- Cost and standard of living -- Puerto Rico
- Country life -- Puerto Rico -- Literary collections
- Courthouses -- Puerto Rico
- Crabs -- Environmental aspects -- Puerto Rico | Vieques Island
- Creación -- Mitología -- Puerto Rico -- Literatura juvenil
- Creation -- Mythology -- Puerto Rico
- Crime -- Puerto Rico -- History -- 20th century
- Criminal law -- Puerto Rico
- Crisis management -- Puerto Rico
- Crop insurance -- Puerto Rico -- Statistics | Periodicals
- Crops and climate -- Puerto Rico
- Cuba -- Foreign relations -- Puerto Rico
- Cubans -- Puerto Rico -- Economic conditions
- Cubans -- Puerto Rico -- Ethnic identity
- Cull tree felling -- Puerto Rico
- Currency question -- Puerto Rico
- Customhouses -- Puerto Rico | Mayagüez
- Dam failures -- Puerto Rico -- Simulation methods
- Dams -- Puerto Rico
- Dams -- Puerto Rico | Guineo, Lake
- Data mining -- Puerto Rico | San Juan
- Debt relief -- Puerto Rico
- Debts, Public -- Law and legislation -- Puerto Rico
- Debts, Public -- Puerto Rico
- Decolonization -- Puerto Rico
- Deep-sea ecology -- Puerto Rico
- Delivery of Health Care -- Puerto Rico
- Democracy -- Puerto Rico
- Demographic archaeology -- Puerto Rico
- Demographic surveys -- Puerto Rico
- Dengue -- Puerto Rico
- Diet -- Puerto Rico
- Digital elevation models -- Puerto Rico
- Digital elevation models -- Puerto Rico | Mayagüez
- Digital elevation models -- Puerto Rico | San Juan
- Disability evaluation -- Corrupt practices -- Puerto Rico
- Disability insurance claimants -- Puerto Rico
- Disaster relief -- Puerto Rico
- Disaster relief -- Puerto Rico -- Costs
- Disaster relief -- Puerto Rico -- Finance | Auditing
- Dramatists, Spanish -- Puerto Rico
- Dredging -- Puerto Rico | San Juan
- Drinking water -- Puerto Rico
- Drinking water -- Puerto Rico | Caguas
- Drug abuse -- Research -- Puerto Rico
- Drug control -- Puerto Rico
- Drug control -- Puerto Rico -- Finance
- Drug control -- Puerto Rico -- Periodicals
- Drug traffic -- Puerto Rico
- Drug traffic -- Puerto Rico -- Prevention
- Drug traffic -- Puerto Rico -- Prevention -- Periodicals
- Earthquake hazard analysis -- Puerto Rico
- Earthquake relief -- Puerto Rico
- Earthquakes -- Puerto Rico
- Earthquakes -- Puerto Rico | Peñuelas (Municipio)
- Earthquakes -- Puerto Rico | Salinas
- Ecological disturbances -- Puerto Rico | Luquillo Mountains
- Ecology -- Puerto Rico
- Economic assistance, American -- Puerto Rico
- Economic development -- Environmental aspects -- Puerto Rico | Salinas
- Economic development -- Government policy -- Puerto Rico
- Economic development -- Puerto Rico
- Economic forecasting -- Puerto Rico -- Periodicals
- Economic indicators -- Puerto Rico
- Economic indicators -- Puerto Rico -- Periodicals
- Education -- Puerto Rico
- Education -- Puerto Rico -- History
- Education, Bilingual -- Puerto Rico
- Educational attainment -- Puerto Rico -- Statistics
- Election districts -- Puerto Rico -- Maps
- Election districts -- Puerto Rico -- Statistics | Periodicals
- Election law -- Puerto Rico
- Elections -- Puerto Rico
- Electric power -- Puerto Rico
- Electric power systems -- Natural disaster effects -- Puerto Rico
- Electric power systems -- Puerto Rico
- Electric power transmission -- Puerto Rico
- Electric utilities -- Puerto Rico
- Electric utilities -- Puerto Rico -- Finance
- Emergency communication systems -- Puerto Rico -- Directories
- Emergency management -- Puerto Rico
- Emergency management -- Puerto Rico -- Directories
- Emergency management -- Puerto Rico -- Finance
- Emergency management -- Puerto Rico -- Finance | Auditing
- Emergency public utility services -- Puerto Rico
- Endangered species -- Puerto Rico -- Juvenile literature
- Energy policy -- Economic aspects -- Puerto Rico
- Energy policy -- Puerto Rico
- Energy storage -- Puerto Rico
- English language -- Puerto Rico
- Environmental degradation -- Puerto Rico | Salinas
- Environmental economics -- Puerto Rico
- Environmental impact analysis -- Puerto Rico | San Juan
- Environmental impact statements -- Puerto Rico
- Environmental monitoring -- Puerto Rico -- Directories
- Environmental policy -- Puerto Rico
- Environmental policy -- Puerto Rico -- Citizen participation
- Estuarine pollution -- Puerto Rico | San Juan Bay
- Ethics -- Puerto Rico
- Ethnicity -- Puerto Rico
- Ethnohistory -- Puerto Rico
- Ethnology -- Puerto Rico
- Eutrophication -- Puerto Rico | Cidra Lake
- Evacuation of civilians -- Puerto Rico -- Directories
- Excavations (Archaeology) -- Puerto Rico
- Excavations (Archaeology) -- Puerto Rico | Tibes (Ponce)
- Experimental forests -- Puerto Rico
- Experimental watershed areas -- Puerto Rico
- Explosions -- Puerto Rico | San Juan
- Families -- Puerto Rico
- Families -- Puerto Rico -- Fiction
- Faults (Geology) -- Puerto Rico | Desecheo Island
- Federal aid -- Puerto Rico
- Federal aid to law enforcement agencies -- Puerto Rico -- Periodicals
- Federal aid to small business -- Puerto Rico
- Feminism -- Puerto Rico
- Fertility, Human -- Puerto Rico -- Statistics
- Fertilizers -- Puerto Rico
- Fiddler crabs -- Puerto Rico | Vieques Island
- Fiestas -- Puerto Rico -- Novela juvenil
- Finance, Public -- Puerto Rico
- Financial crises -- Puerto Rico
- Financial institutions -- Puerto Rico
- Fish communities -- Puerto Rico | Guánica Bay
- Fish communities -- Puerto Rico | Reserva Natural de La Parguera
- Fisheries -- Environmental aspects -- Puerto Rico
- Fishes -- Habitat -- Puerto Rico
- Fishes -- Puerto Rico
- Flood control -- Puerto Rico | Barceloneta
- Flood control -- Puerto Rico | Guanajibo River
- Flood control -- Puerto Rico | San Juan
- Flood control channels -- Puerto Rico | Salinas
- Flood damage -- Puerto Rico
- Flood damage prevention -- Puerto Rico | Barceloneta
- Flood damage prevention -- Puerto Rico | Guanajibo River
- Flood damage prevention -- Puerto Rico | Salinas
- Flood dams and reservoirs -- Puerto Rico | Salinas
- Flood forecasting -- Puerto Rico
- Flood forecasting -- Puerto Rico | Orocovis
- Flood insurance -- Puerto Rico
- Floodplains -- Puerto Rico -- Guidebooks
- Floodplains -- Puerto Rico -- Guidebooks
- Floods -- Puerto Rico
- Floods -- Puerto Rico -- Measurement
- Floods -- Puerto Rico | Arecibo
- Floods -- Puerto Rico | Bayamon Region -- Maps
- Floods -- Puerto Rico | Bayamón -- Maps
- Floods -- Puerto Rico | Bayamón Region -- Maps
- Floods -- Puerto Rico | Ponce Bay -- Maps
- Floods -- Puerto Rico | Ponce Region -- Maps
- Floods -- Puerto Rico | Utuado
- Folk art -- Puerto Rico
- Folk literature, Spanish -- Puerto Rico
- Folk music -- Puerto Rico -- Discography -- Catalogs
- Folk music -- Puerto Rico -- Discography | Catalogs
- Folk music -- Puerto Rico -- History and criticism
- Folklore -- Puerto Rico
- Folklore -- Puerto Rico -- Juvenile literature
- Food chains (Ecology) -- Puerto Rico | El Yunque National Forest
- Food chains (Ecology) -- Puerto Rico | Luquillo Experimental Forest
- Food habits -- Puerto Rico
- Food relief -- Puerto Rico -- Evaluation
- Food stamps -- Puerto Rico -- Evaluation
- Foraminifera -- Puerto Rico
- Forest conservation -- Puerto Rico
- Forest conservation -- Puerto Rico -- History
- Forest conservation -- Puerto Rico | Luquillo Mountains
- Forest ecology -- Puerto Rico
- Forest ecology -- Puerto Rico | El Yunque National Forest
- Forest ecology -- Puerto Rico | Luquillo Mountains
- Forest health -- Puerto Rico
- Forest management -- Law and legislation -- Puerto Rico
- Forest management -- Law and legislation -- Puerto Rico | Caribbean National Forest
- Forest management -- Puerto Rico
- Forest management -- Puerto Rico | El Yunque National Forest
- Forest management -- Puerto Rico | Luquillo Mountains
- Forest policy -- Puerto Rico | El Yunque National Forest
- Forest protection -- Puerto Rico
- Forest reserves -- Law and legislation -- Puerto Rico
- Forest reserves -- Recreational use -- Puerto Rico | El Yunque National Forest
- Forest soils -- Puerto Rico -- Composition
- Forest surveys -- Puerto Rico
- Forest surveys -- Puerto Rico -- Statistics
- Forest surveys -- Puerto Rico -- Statistics | Periodicals
- Forests and forestry -- Climatic factors -- Puerto Rico
- Forests and forestry -- Economic aspects -- Puerto Rico
- Forests and forestry -- Puerto Rico
- Forests and forestry -- Puerto Rico -- Measurement
- Forests and forestry -- Puerto Rico -- Measurement | Mathematical models
- Forests and forestry -- Puerto Rico -- Statistics
- Forests and forestry -- Puerto Rico -- Statistics | Periodicals
- Forests and forestry -- Puerto Rico | El Yunque National Forest -- Citizen participation
- Forests and forestry -- Puerto Rico | El Yunque National Forest -- History
- Forests and forestry -- Puerto Rico | San Cristóbal Canyon
- Forests and forestry -- Puerto Rico | Yunque Mountain -- Maps
- Forests and forestry -- Research -- Puerto Rico -- History
- Forests and forestry -- Research -- Puerto Rico | El Yunque National Forest
- Formations (Geology) -- Puerto Rico
- Fortification -- Puerto Rico | San Juan -- History
- Fraud -- Puerto Rico
- Freedmen -- Puerto Rico | Guayama Region -- History -- 19th century
- Fresh water -- Puerto Rico
- Freshwater ecology -- Puerto Rico | El Yunque National Forest
- Freshwater ecology -- Puerto Rico | Luquillo Experimental Forest
- Gap analysis (Planning) -- Puerto Rico
- Gecarcinidae -- Puerto Rico | Vieques Island
- Gentrification -- Puerto Rico
- Geochemical prospecting -- Puerto Rico | Culebra Island
- Geochemical prospecting -- Puerto Rico | Vieques Island
- Geochemistry -- Puerto Rico
- Geochemistry -- Puerto Rico | Barceloneta
- Geographic information systems -- Puerto Rico
- Geography -- Puerto Rico -- Juvenile literature
- Geological surveys -- Puerto Rico
- Geology -- Puerto Rico
- Geology -- Puerto Rico -- Guidebooks
- Geology -- Puerto Rico -- Guidebooks
- Geology -- Puerto Rico -- Nomenclature
- Geology -- Puerto Rico -- Nomenclature
- Geology -- Puerto Rico | Corozal
- Geology -- Puerto Rico | Desecheo Island
- Geology -- Puerto Rico | Mona Island
- Geology -- Puerto Rico | Peñuelas (Municipio)
- Geology -- Puerto Rico | Salinas
- Geology -- Puerto Rico | San Juan
- Geology -- Puerto Rico | Vega Alta
- Geomorphology -- Puerto Rico
- Geophysics -- Puerto Rico
- Geophysics -- Research -- Puerto Rico
- Geopolitics -- Puerto Rico
- Geriatrics -- Study and teaching (Higher) -- Puerto Rico
- Gerontology -- Study and teaching (Higher) -- Puerto Rico
- Gerontology -- Study and teaching -- Puerto Rico
- Girls -- Puerto Rico -- Fiction
- Government questionnaires -- Puerto Rico
- Government, Resistance to -- Puerto Rico | Vieques Island -- History -- 20th century
- Grants-in-aid -- Puerto Rico -- Auditing
- Gravity -- Puerto Rico -- Measurement
- Gravity prospecting -- Puerto Rico
- Gross domestic product -- Puerto Rico
- Groundwater -- Pollution -- Puerto Rico | Arecibo
- Groundwater -- Pollution -- Puerto Rico | Manatí Region
- Groundwater -- Pollution -- Puerto Rico | Vega Alta
- Groundwater -- Pollution -- Puerto Rico | Vega Baja Region
- Groundwater -- Puerto Rico
- Groundwater -- Puerto Rico -- Maps
- Groundwater -- Puerto Rico | Arecibo
- Groundwater -- Puerto Rico | Barceloneta Region
- Groundwater -- Puerto Rico | Cabo Rojo
- Groundwater -- Puerto Rico | Caguas -- Maps
- Groundwater -- Puerto Rico | Caguas Region
- Groundwater -- Puerto Rico | Demajagua River Watershed
- Groundwater -- Puerto Rico | Espíritu Santo River Watershed
- Groundwater -- Puerto Rico | Guanajibo River Valley
- Groundwater -- Puerto Rico | Gurabo Region -- Maps
- Groundwater -- Puerto Rico | Jobos Bay
- Groundwater -- Puerto Rico | Juana Diaz Region -- Maps
- Groundwater -- Puerto Rico | Juncos Region
- Groundwater -- Puerto Rico | Juncos Region -- Maps
- Groundwater -- Puerto Rico | Manati Region -- Maps
- Groundwater -- Puerto Rico | Manatí Region -- Maps
- Groundwater -- Puerto Rico | Manatí River Region
- Groundwater -- Puerto Rico | Mayagüez -- Quality
- Groundwater -- Puerto Rico | Ponce Region -- Maps
- Groundwater -- Puerto Rico | San Juan Region
- Groundwater -- Puerto Rico | Santa Isabel Region
- Groundwater -- Puerto Rico | Santa Isabel Region -- Maps
- Groundwater -- Puerto Rico | Vega Alta Region -- Mathematical models
- Groundwater -- Puerto Rico | Vega Baja Region -- Maps
- Groundwater -- Puerto Rico | Vieques Island
- Groundwater -- Puerto Rico | Yauco Region -- Mathematical models
- Groundwater -- Purification -- Puerto Rico
- Groundwater -- Quality -- Puerto Rico
- Groundwater -- Quality -- Puerto Rico | Caguas
- Groundwater -- Quality -- Puerto Rico | Carolina
- Groundwater -- Quality -- Puerto Rico | Comerío
- Groundwater -- Quality -- Puerto Rico | Santa Isabel
- Groundwater flow -- Puerto Rico
- Groundwater flow -- Puerto Rico -- Mathematical models
- Groundwater flow -- Puerto Rico -- Simulation methods
- Groundwater flow -- Puerto Rico | Barceloneta
- Groundwater flow -- Puerto Rico | Humacao Region -- Mathematical models
- Groundwater flow -- Puerto Rico | Manatí -- Computer simulation
- Groundwater flow -- Puerto Rico | North Coast Province
- Groundwater flow -- Puerto Rico | Patillas Region -- Computer simulation
- Groundwater flow -- Puerto Rico | Salinas Region -- Computer simulation
- Groundwater flow -- Puerto Rico | Vega Alta -- Mathematical models
- Groundwater flow -- Puerto Rico | Vega Alta -- Measurement
- Groundwater flow -- Puerto Rico | Vega Alta Region -- Mathematical models
- Groundwater flow -- Puerto Rico | Vega Baja -- Computer simulation
- Groundwater flow -- Puerto Rico | Yauco Region -- Mathematical models
- Habitat (Ecology) -- Research -- Puerto Rico | Jobos Bay -- Maps
- Habitat conservation -- Puerto Rico | Guánica Bay -- Maps
- Harbors -- Puerto Rico | Arroyo -- Maps
- Harbors -- Puerto Rico | Puerto Maunabo -- Maps
- Harbors -- Puerto Rico | San Juan -- Design and construction
- Harbors -- Puerto Rico | San Juan -- Maps
- Harbors -- Puerto Rico | Yabucoa -- Maps
- Hazardous geographic environments -- Puerto Rico | Peñuelas (Municipio)
- Hazardous geographic environments -- Puerto Rico | Salinas
- Hazardous waste site remediation -- Puerto Rico | Vieques Island
- Health care reform -- Puerto Rico
- Health insurance -- Puerto Rico
- Health insurance -- Puerto Rico -- Handbooks, manuals, etc
- Health promotion -- Puerto Rico
- Health risk communication -- Puerto Rico
- Health services accessibility -- Puerto Rico
- Heavy minerals -- Puerto Rico
- Historic sites -- Law and legislation -- Puerto Rico
- Historic sites -- Puerto Rico
- History -- Research -- Puerto Rico -- Periodicals
- Homeowners -- Puerto Rico -- Statistics
- Homeowners -- Puerto Rico -- Statistics
- Hospitals -- Heating and ventilation | Health aspects -- Puerto Rico | San Juan
- Household employees -- Taxation -- Puerto Rico -- Periodicals
- Household surveys -- Puerto Rico
- Housing -- Puerto Rico
- Housing -- Puerto Rico -- Statistics
- Housing -- Puerto Rico -- Statistics
- Housing -- Puerto Rico -- Statistics -- Maps
- Housing -- Puerto Rico -- Statistics | Maps
- Housing -- Puerto Rico | Aguadilla Metropolitan Area -- Statistics
- Housing -- Puerto Rico | Arecibo Metropolitan Area -- Statistics
- Housing -- Puerto Rico | Caguas Metropolitan Area -- Statistics
- Housing -- Puerto Rico | Mayagüez Metropolitan Area -- Statistics
- Housing -- Puerto Rico | Ponce Metropolitan Area -- Statistics
- Housing -- Puerto Rico | San Juan Metropolitan Area -- Statistics
- Housing surveys -- Puerto Rico
- Hurricane damage -- Puerto Rico
- Hurricane protection -- Puerto Rico -- Directories
- Hurricanes -- Economic aspects -- Puerto Rico
- Hurricanes -- Puerto Rico
- Hydraulic engineering -- Puerto Rico -- Mathematical models
- Hydrogeological modeling -- Puerto Rico
- Hydrogeological surveys -- Puerto Rico
- Hydrogeology -- Puerto Rico
- Hydrogeology -- Puerto Rico -- Maps
- Hydrogeology -- Puerto Rico -- Simulation methods
- Hydrogeology -- Puerto Rico | Barceloneta
- Hydrogeology -- Puerto Rico | Cabo Rojo
- Hydrogeology -- Puerto Rico | Dorado Region
- Hydrogeology -- Puerto Rico | North Coast Province
- Hydrogeology -- Puerto Rico | Patillas Region
- Hydrogeology -- Puerto Rico | Salinas Region
- Hydrogeology -- Puerto Rico | Vega Alta
- Hydrographic surveying -- Puerto Rico | Mayagüez -- Data processing
- Hydrographic surveying -- Puerto Rico | San Juan -- Data processing
- Hydrologic models -- Puerto Rico
- Hydrologic models -- Puerto Rico | Luquillo Mountains
- Hydrology -- Puerto Rico
- Hydrology -- Puerto Rico -- Mathematical models
- Hydrology -- Puerto Rico | Grande Lake
- Hydrology -- Puerto Rico | Gurabo Region -- Maps
- Hydrology -- Puerto Rico | Juana Diaz -- Maps
- Hydrology -- Puerto Rico | Juncos Region -- Maps
- Hydrology -- Puerto Rico | Salinas -- Maps
- Hydrology -- Puerto Rico | Santa Isabel Region -- Maps
- Identity (Psychology) -- Puerto Rico
- Identity (Psychology) in youth -- Puerto Rico
- Identity (Psychology) in youth -- Puerto Rico -- Case studies
- Identity (Psychology) in youth -- Puerto Rico -- Case studies
- Immigrants -- Puerto Rico -- Economic conditions
- Imports -- Puerto Rico
- Imports -- Puerto Rico -- Statistics
- Imports -- Puerto Rico -- Statistics
- Income -- Puerto Rico
- Income distribution -- Puerto Rico
- Income tax -- Puerto Rico
- Income tax -- Puerto Rico -- Forms | Periodicals
- Income tax -- Puerto Rico -- Periodicals
- Indian pottery -- Puerto Rico -- Analysis
- Indians of the West Indies -- Puerto Rico
- Indians of the West Indies -- Puerto Rico -- Antiquities
- Indians of the West Indies -- Puerto Rico -- History
- Indians of the West Indies -- Puerto Rico -- History -- 16th century
- Indians of the West Indies -- Puerto Rico -- Languages
- Indians of the West Indies -- Puerto Rico -- Migrations
- Indians of the West Indies -- Puerto Rico -- Population
- Indians of the West Indies -- Puerto Rico | Tibes (Ponce) -- Antiquities
- Indians of the West Indies -- Puerto Rico | Tibes (Ponce) -- Rites and ceremonies
- Indians, Treatment of -- Puerto Rico -- History -- 16th century
- Indoor air pollution -- Puerto Rico
- Industrial districts -- Environmental aspects -- Puerto Rico
- Industrial promotion -- Law and legislation -- Puerto Rico -- Congresses
- Industrial statistics -- Puerto Rico
- Industrial statistics -- Puerto Rico -- Periodicals
- Industrial water supply -- Puerto Rico
- Industries -- Puerto Rico
- Insect pests -- Puerto Rico | Luquillo Mountains
- Insects -- Puerto Rico | Luquillo Mountains
- Insurance fraud -- Puerto Rico -- Prevention
- Interagency coordination -- Puerto Rico
- Interconnected electric utility systems -- Puerto Rico
- Intergovernmental cooperation -- Puerto Rico
- Intervention (Federal government) -- Puerto Rico
- Investment of public funds -- Puerto Rico
- Investments, Foreign -- Law and legislation -- Puerto Rico -- Congresses
- Investments, Foreign -- Taxation -- Puerto Rico -- Congresses
- Investments, Foreign -- Taxation | Law and legislation -- Puerto Rico -- Congresses
- Irrigation -- Puerto Rico
- Irrigation -- Puerto Rico | Jobos Bay
- Irrigation -- Puerto Rico | Santa Isabel Region
- Irrigation water -- Puerto Rico
- Island archaeology -- Puerto Rico
- Island networks (Electricity) -- Puerto Rico
- Jiménez, Juan Ramón, 1881-1958 -- Homes and haunts -- Puerto Rico
- Journalism -- Puerto Rico | Mayagüez
- Journalists -- Puerto Rico | San Juan -- Fiction
- Juvenile courts -- Puerto Rico
- Juvenile delinquency -- Puerto Rico
- Juvenile delinquency -- Puerto Rico -- Longitudinal studies
- Juvenile delinquency -- Puerto Rico -- Statistics
- Juvenile delinquency -- Puerto Rico | Ponce -- Prevention
- Juvenile delinquency -- Puerto Rico | San Juan Metropolitan Area
- Karst -- Puerto Rico
- Karst -- Puerto Rico -- Maps
- Karst conservation -- Puerto Rico
- Labor -- Puerto Rico
- Labor laws and legislation -- Puerto Rico
- Labor mobility -- Puerto Rico
- Labor supply -- Puerto Rico
- Labor supply -- Puerto Rico -- History -- 20th century
- Labor supply -- Puerto Rico | Guayama Region -- History -- 19th century
- Labor unions -- Puerto Rico -- History
- Labor unions -- Puerto Rico -- History -- Sources
- Lagoons -- Puerto Rico
- Lake sediments -- Puerto Rico
- Lake sediments -- Puerto Rico | Villalba -- Maps
- Lakes -- Puerto Rico
- Land tenure -- Government policy -- Puerto Rico | Caguas
- Land titles -- Registration and transfer -- Puerto Rico | Vieques Island
- Land use, Rural -- Puerto Rico
- Land use, Rural -- Puerto Rico | Carraízo Reservoir
- Landforms -- Puerto Rico
- Landscapes -- Social aspects -- Puerto Rico | Tibes (Ponce) -- History
- Landslide hazard analysis -- Puerto Rico
- Landslides -- Puerto Rico
- Landslides -- Puerto Rico | Ponce -- Maps
- Law -- Puerto Rico -- Codification
- Law -- Puerto Rico -- Periodicals
- Law reviews -- Puerto Rico
- Legends -- Puerto Rico
- Levees -- Puerto Rico | Manatí River
- Liability for building accidents -- Puerto Rico
- Lichen communities -- Puerto Rico
- Lichens -- Ecology -- Puerto Rico
- Lichens -- Puerto Rico
- Limestone -- Puerto Rico
- Limestone -- Puerto Rico | Barceloneta
- Limnology -- Puerto Rico
- Liquefied natural gas pipelines -- Environmental aspects -- Puerto Rico
- Liquefied natural gas shipping terminals -- Environmental aspects -- Puerto Rico
- Literature and society -- Puerto Rico
- Local service airlines -- Puerto Rico
- Magic -- Puerto Rico
- Mammals -- Behavior -- Puerto Rico | Santiago Cay
- Mangrove forests -- Puerto Rico | Jobos Bay
- Manpower policy -- Puerto Rico -- History -- 20th century
- Manufacturing industries -- Puerto Rico -- Statistics
- Marine algae -- Ecology -- Puerto Rico
- Marine algae -- Puerto Rico -- Identification
- Marine ecology -- Puerto Rico
- Marine ecology -- Puerto Rico | Vieques Island
- Marine organisms -- Puerto Rico | Guánica Bay -- Geographical distribution -- Maps
- Marine plants -- Puerto Rico
- Marine pollution -- Puerto Rico | Mayagüez Bay
- Marine pollution -- Puerto Rico | San Juan Bay
- Marine pollution -- Standards -- Puerto Rico
- Marine resources -- Puerto Rico | Jobos Bay -- Management
- Marine resources conservation -- Puerto Rico | Guánica Bay
- Marine sediments -- Environmental aspects -- Puerto Rico | San Juan Bay
- Marine sediments -- Puerto Rico
- Married women -- Puerto Rico -- Fiction
- Mass-wasting -- Puerto Rico | Luquillo Mountains
- Meat industry and trade -- Puerto Rico -- Statistics
- Meat industry and trade -- Puerto Rico -- Statistics
- Medical care -- Puerto Rico
- Medical care -- Puerto Rico -- Forecasting
- Medical policy -- Puerto Rico
- Medical records -- Access control -- Puerto Rico
- Medicare -- Puerto Rico -- Statistics | Periodicals
- Medicine -- Political aspects -- Puerto Rico
- Medicine, Rural -- Practice -- Puerto Rico
- Mental illness -- Puerto Rico | San Juan
- Meteorological services -- Puerto Rico -- Directories
- Metropolitan areas -- Puerto Rico -- Statistics
- Metropolitan areas -- Puerto Rico -- Statistics
- Mines and mineral resources -- Puerto Rico
- Mothers -- Puerto Rico -- Death
- Mothers and daughters -- Puerto Rico
- Multipurpose trees -- Puerto Rico -- Planting
- Municipal bankruptcy -- Puerto Rico
- Municipal bonds -- Puerto Rico
- Music -- Puerto Rico -- History and criticism
- National parks and reserves -- Puerto Rico
- Nationalism -- Puerto Rico
- Nationalism -- Puerto Rico -- History -- 20th century
- Nationalism and sports -- Puerto Rico
- Nationalists -- Puerto Rico -- Biography
- Nationalists -- Puerto Rico -- History -- 20th century
- Natural areas -- Puerto Rico -- Maps
- Natural disasters -- Puerto Rico -- Management -- Directories
- Natural gas pipeline failures -- Puerto Rico | San Juan
- Natural gas pipelines -- Accidents -- Puerto Rico | San Juan
- Natural history -- Puerto Rico -- Congresses
- Natural history -- Puerto Rico -- Juvenile literature
- Natural resources -- Puerto Rico
- Navy-yards and naval stations -- Puerto Rico | Vieques Island
- Nitrates -- Environmental aspects -- Puerto Rico | Manatí Region
- Nitrates -- Environmental aspects -- Puerto Rico | Vega Baja Region
- Nitrogen -- Puerto Rico | Guánica Bay
- Nutrient pollution of water -- Puerto Rico
- Occupational retraining -- Puerto Rico
- Occupational training -- Puerto Rico
- Ocean outfalls -- Puerto Rico | Mayagüez
- Ocean thermal power plants -- Environmental aspects -- Puerto Rico
- Older people -- Abuse of -- Puerto Rico
- Older people -- Abuse of -- Puerto Rico -- Congresses
- Older people -- Care -- Puerto Rico
- Older people -- Legal status, laws, etc. -- Puerto Rico
- Older people -- Medical care -- Puerto Rico -- Handbooks, manuals, etc
- Older people -- Services for -- Puerto Rico
- Olympics -- Political aspects -- Puerto Rico
- Ordnance testing -- Puerto Rico | Vieques Island -- History -- 20th century
- Ore deposits -- Puerto Rico
- Parents -- Education -- Puerto Rico -- Statistics
- Parties -- Puerto Rico -- Juvenile fiction
- Payroll tax -- Puerto Rico -- Periodicals
- Peasants -- Puerto Rico | Caguas -- Social conditions
- Petroleum industry and trade -- Puerto Rico
- Pharmaceutical industry -- Environmental aspects -- Puerto Rico
- Pharmaceutical industry -- Puerto Rico
- Pharmaceutical industry -- Puerto Rico -- Forecasting
- Pharmaceutical industry -- Risk assessment -- Puerto Rico
- Photovoltaic power generation -- Puerto Rico
- Photovoltaic power generation -- Puerto Rico -- Finance
- Physical geology -- Puerto Rico | Garzas Lake
- Physicians -- Professional ethics -- Puerto Rico
- Physicians -- Puerto Rico -- Social conditions
- Pigeons -- Counting -- Puerto Rico
- Pigeons -- Counting -- Puerto Rico | Vieques Island
- Pilot guides -- Puerto Rico
- Pilot guides -- Puerto Rico -- Periodicals
- Pirates -- Puerto Rico -- Biography
- Plantation workers -- Puerto Rico | Guayama Region -- History -- 19th century
- Plants -- Puerto Rico
- Plebiscite -- Puerto Rico
- Plebiscite -- Puerto Rico -- History -- Sources
- Political leadership -- Puerto Rico | Mayagüez -- History
- Political participation -- Puerto Rico
- Political parties -- Puerto Rico
- Political parties -- Puerto Rico -- Accounting
- Political science -- Puerto Rico -- History
- Pollution -- Economic aspects -- Puerto Rico
- Pollution -- Social aspects -- Puerto Rico
- Poor -- Puerto Rico
- Poor -- Puerto Rico | San Juan
- Poor -- Puerto Rico | San Juan -- History -- 19th century
- Poor -- Puerto Rico | San Juan Metropolitan Area
- Poor women -- Puerto Rico -- Social conditions
- Popular music -- Puerto Rico -- History and criticism
- Population genetics -- Puerto Rico | Santiago Cay
- Population research -- Puerto Rico -- Bibliography
- Porphyry -- Puerto Rico
- Porphyry -- Puerto Rico | Tanamá Region
- Post office buildings -- Puerto Rico
- Post office buildings -- Puerto Rico | Bayamón
- Post office buildings -- Puerto Rico | Carolina
- Post office buildings -- Puerto Rico | Mayagüez
- Post office buildings -- Puerto Rico | Ponce
- Post office buildings -- Puerto Rico | San Juan
- Pottery, Prehistoric -- Puerto Rico -- Analysis
- Power (Social sciences) -- Puerto Rico | Tibes (Ponce) -- History
- Precipitation (Meteorology) -- Puerto Rico -- Measurement
- Press -- Puerto Rico
- Privatization -- Puerto Rico
- Privatization -- Puerto Rico | Caguas
- Prostitution -- Government policy -- Puerto Rico -- History
- Protest movements -- Puerto Rico | Vieques Island -- History -- 20th century
- Protestant churches -- Puerto Rico | San Cipriano
- Psychiatry -- Puerto Rico -- Periodicals
- Psychology -- Puerto Rico -- Periodicals
- Public buildings -- Puerto Rico | San Juan
- Public contracts -- Puerto Rico
- Public health administration -- Puerto Rico
- Public lands -- Puerto Rico | Vieques Island
- Public records -- Puerto Rico
- Public utilities -- Puerto Rico
- Public utilities -- Puerto Rico -- Directories
- Public welfare -- Puerto Rico
- Public welfare -- Puerto Rico | San Juan -- History
- Public-private sector cooperation -- Puerto Rico
- Puerto Rican parrot -- Puerto Rico | Caribbean National Forest -- Statistics
- Puerto Rican parrot -- Puerto Rico | El Yunque National Forest -- Statistics
- Quality assurance -- Puerto Rico
- Race -- Political aspects -- Puerto Rico
- Racism -- Puerto Rico
- Radicalism -- Puerto Rico
- Radioactive pollution of soils -- Puerto Rico
- Railroad law -- Puerto Rico
- Railroads -- Puerto Rico
- Railroads -- Puerto Rico -- Timetables | Periodicals
- Rain and rainfall -- Puerto Rico
- Rain and rainfall -- Puerto Rico | Carraízo Reservoir Watershed -- Computer simulation
- Rain forest ecology -- Puerto Rico | El Yunque National Forest
- Rain forest ecology -- Puerto Rico | Luquillo Experimental Forest
- Rain forest plants -- Puerto Rico -- Composition
- Rain forests -- Puerto Rico -- Bibliography
- Rain forests -- Puerto Rico | Yunque Mountain -- Maps
- Rainstorms -- Puerto Rico -- Physiological effect
- Real estate development -- Environmental aspects -- Puerto Rico
- Recessions -- Puerto Rico
- Referendum -- Puerto Rico
- Reforestation -- Puerto Rico
- Renewable energy sources -- Puerto Rico
- Rental housing -- Puerto Rico -- Statistics
- Rental housing -- Puerto Rico -- Statistics
- Reproductive rights -- Puerto Rico -- History
- Reservoir sedimentation -- Puerto Rico
- Reservoir sedimentation -- Puerto Rico | Aguadilla
- Reservoir sedimentation -- Puerto Rico | Carraízo Reservoir
- Reservoir sedimentation -- Puerto Rico | Carraízo Reservoir -- Maps
- Reservoir sedimentation -- Puerto Rico | Cidra Lake
- Reservoir sedimentation -- Puerto Rico | Cidra Lake -- Maps
- Reservoir sedimentation -- Puerto Rico | Dos Bocas, Lake
- Reservoir sedimentation -- Puerto Rico | Dos Bocas, Lake -- Maps
- Reservoir sedimentation -- Puerto Rico | Garzas Lake
- Reservoir sedimentation -- Puerto Rico | Guayabal, Lake
- Reservoir sedimentation -- Puerto Rico | Guayabal, Lake -- Maps
- Reservoir sedimentation -- Puerto Rico | Guayo, Lake
- Reservoir sedimentation -- Puerto Rico | Guineo, Lake
- Reservoir sedimentation -- Puerto Rico | La Plata, Lake
- Reservoir sedimentation -- Puerto Rico | Lago Toa Vaca Dam
- Reservoir sedimentation -- Puerto Rico | Luchetti Lake -- Maps
- Reservoir sedimentation -- Puerto Rico | Matrullas, Lake
- Reservoir sedimentation -- Puerto Rico | Patillas Lake
- Reservoir sedimentation -- Puerto Rico | Patillas Lake -- Maps
- Reservoir sedimentation -- Puerto Rico | Patillas Region
- Reservoir sedimentation -- Puerto Rico | Plata Lake -- Maps
- Reservoir sedimentation -- Puerto Rico | Yahuecas, Lake
- Reservoirs -- Puerto Rico
- Reservoirs -- Puerto Rico | Lago Toa Vaca Dam
- Reservoirs -- Puerto Rico | Luchetti Lake -- Maps
- Retail trade -- Puerto Rico
- Retail trade -- Puerto Rico -- Statistics
- Return migration -- Puerto Rico
- Revenue -- Puerto Rico
- Rhesus monkey -- Ecology -- Puerto Rico | Santiago Cay
- Rhesus monkey -- Puerto Rico | Santiago Cay -- Morphology
- Rice -- Irrigation -- Puerto Rico
- Riparian ecology -- Puerto Rico -- Cost effectiveness
- Road work zones -- Puerto Rico | San Juan
- Rodríguez Juliá, Edgardo, 1946- -- Homes and haunts -- Puerto Rico | San Juan
- Rum -- Taxation | Law and legislation -- Puerto Rico
- Runoff -- Puerto Rico
- Runoff -- Puerto Rico | Canóvanas Region
- Runoff -- Puerto Rico | Carraízo Reservoir Watershed -- Computer simulation
- Rural health services -- Puerto Rico
- Rural-urban migration -- Puerto Rico | San Juan Metropolitan Area
- Rural-urban relations -- Puerto Rico -- 20th century
- Sacred space -- Puerto Rico | Tibes (Ponce) -- History
- Salsa (Music) -- Puerto Rico -- History and criticism
- Saltwater encroachment -- Puerto Rico
- Saltwater encroachment -- Puerto Rico -- Mathematical models
- Saltwater encroachment -- Puerto Rico | Dorado Region
- Saltwater encroachment -- Puerto Rico | Yabucoa Region
- Sand -- Puerto Rico
- Santos (Art) -- Puerto Rico
- Scuba diving -- Puerto Rico -- Guidebooks
- Sedimentation and deposition -- Environmental aspects -- Puerto Rico
- Sedimentation and deposition -- Puerto Rico
- Sedimentation and deposition -- Puerto Rico | Aguadilla
- Sedimentation and deposition -- Puerto Rico | Carite, Lake -- Maps
- Sedimentation and deposition -- Puerto Rico | Carraízo Reservoir
- Sedimentation and deposition -- Puerto Rico | Dos Bocas, Lake
- Sedimentation and deposition -- Puerto Rico | Garzas Lake
- Sedimentation and deposition -- Puerto Rico | Grande Lake
- Sedimentation and deposition -- Puerto Rico | Luchetti Lake -- Maps
- Sediments (Geology) -- Puerto Rico
- Sediments (Geology) -- Puerto Rico | Caonillas, Lake
- Sediments (Geology) -- Puerto Rico | Carraízo Reservoir
- Sediments (Geology) -- Puerto Rico | Dos Bocas, Lake
- Sediments (Geology) -- Puerto Rico | Yahuecas, Lake
- Seismic prospecting -- Puerto Rico
- Seismological stations -- Puerto Rico -- Tables
- Seismology -- Puerto Rico
- Seismology -- Puerto Rico -- Tables
- Self-determination, National -- Puerto Rico
- Self-determination, National -- Puerto Rico -- History -- 20th century
- Self-determination, National -- Puerto Rico -- Periodicals
- Service industries -- Puerto Rico
- Service industries -- Puerto Rico -- Statistics
- Service stations -- Puerto Rico -- Handbooks, manuals, etc
- Severe storms -- Puerto Rico -- Forecasting -- Directories
- Sewage disposal plants -- Puerto Rico
- Shipping -- Puerto Rico
- Ships -- Environmental aspects -- Puerto Rico
- Shipwrecks -- Puerto Rico
- Skin diving -- Puerto Rico -- Guidebooks
- Slave trade -- Puerto Rico -- History
- Slavery -- Puerto Rico
- Slavery -- Puerto Rico -- History
- Slavery -- Puerto Rico | Guayama Region -- History -- 19th century
- Slaves -- Emancipation -- Puerto Rico | Guayama Region -- History -- 19th century
- Slums -- Puerto Rico | San Juan Metropolitan Area
- Small business -- Law and legislation -- Puerto Rico
- Smuggling -- Investigation -- Puerto Rico
- Social change -- Puerto Rico
- Social change -- Puerto Rico -- History
- Social classes -- Puerto Rico
- Social classes -- Puerto Rico | Tibes (Ponce) -- History
- Social conflict -- Puerto Rico -- History -- 20th century
- Social psychology -- Puerto Rico
- Social sciences -- Study and teaching | Political aspects -- Puerto Rico -- History
- Social security -- Puerto Rico -- Statistics | Periodicals
- Social security beneficiaries -- Puerto Rico -- Statistics | Periodicals
- Social security taxes -- Puerto Rico -- Periodicals
- Social stratification -- Puerto Rico | Caguas
- Social surveys -- Puerto Rico
- Social work with older people -- Study and teaching -- Puerto Rico
- Social work with youth -- Puerto Rico | Ponce
- Social workers -- Training of -- Puerto Rico
- Soil mechanics -- Puerto Rico
- Soil remediation -- Puerto Rico | Vieques Island
- Soil surveys -- Puerto Rico