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- Children--Health and hygiene3
- Children--Legal status, laws, etc.3
- Culture3
- Family3
- Political campaigns3
- Political parties3
- Rural conditions3
- Youth--Drug use3
- Youth--Health and hygiene3
- Agriculture2
- Arts2
- Blacks2
- Catholic Church2
- Children--Crimes against2
- Discrimination2
- Feminism2
- History2
- Policy analysis2
- Protest movements2
- Public health2
- Public safety2
- Social justice2
- Social movements2
- Social policy2
- Social problems2
- Teenagers2
- Violence2
- Women household employees2
- Adoption1
- Agricultural workers1
- Art--Study and teaching1
- Biography1
- Child abuse1
- Contraception1
- Courts1
- Crime prevention1
- Drug policy1
- Early childhood education1
- Education and state1
- Education, Primary1
- Education, Rural1
- Education--Political aspects1
- Educational law and legislation1
- Energy1
- Festivals1
- Gay rights1
- Government policy1
- Health services accessibility1
- Homosexuality--Government policy1
- Human rights1
- Judicial system1
- Labor1
- Labor unions1
- Land reform1
- Laws1
- Men1
- Museum exhibits1
- Performing arts1
- Poverty1
- Prisons1
- Racism1
- Religious education1
- Reproductive health1
- Research institutes1
- Schools1
- Sex instruction1
- Sexual abuse victims1
- Sexual minorities1
- Slavery1
- Social conditions1
- Social policy--Citizen participation1
- Sports1
- Substance abuse1
- Sustainable agriculture1
- Women's health1
- Women's rights1
- Women--Crimes against1
- Women--Health and hygiene1
- Youth employment1
- History38
- History30
- Blacks9
- Local history5
- Archives4
- Culture4
- Labor unions--Political activity3
- Racism3
- Arts2
- Biography2
- Catholic Church2
- Collective memory2
- Discrimination2
- Emblems, National2
- Guidebooks2
- Human rights2
- Labor unions2
- Literature2
- Protest movements2
- Science and technology2
- Strikes and lockouts2
- Tourist maps2
- Working class2
- Architecture1
- Banks and banking1
- Books and reading1
- Child welfare1
- Christians1
- Cities1
- Community development1
- Community organization1
- Ecology1
- Education and state1
- Education--Political aspects1
- Elections1
- Feminism1
- Festivals1
- Folk art1
- Geology1
- Holidays1
- Industries1
- Labor1
- Labor laws and legislation1
- Land reform1
- Laws1
- Libraries1
- Minorities--Education1
- Minorities--Legal status, laws, etc.1
- Minorities--Political activity1
- Monuments1
- Museum exhibits1
- Museums1
- Performing arts1
- Philately1
- Political campaigns1
- Political parties1
- Politics1
- Politics and government1
- Presidents1
- Slavery1
- Social movements1
- State-sponsored terrorism1
- Sustainable development1
- Truth commissions1
- Women--Political activity1
- Youth1
- Youth--Political activity1
- Religion38
- Catholic Church13
- Afro-Brazilian cults8
- Indigenous peoples8
- Protestant churches6
- Human rights5
- Blacks4
- Elections4
- Missionaries4
- Religion and politics4
- Political campaigns3
- Religion3
- Rites and ceremonies3
- AIDS (Disease)2
- Christians2
- Environmental protection2
- Evangelicalism2
- Festivals2
- History2
- Poverty2
- Archives1
- Biography1
- Books and reading1
- Child welfare1
- Cities1
- Conservation of natural resources1
- Discrimination1
- Ethnic art1
- Families1
- Freedom of expression1
- HIV infections1
- Health1
- Indigenous peoples--Civil rights1
- Judaism1
- Labor unions1
- Labor unions--Political activity1
- Literature1
- Medical care1
- Museum exhibits1
- Music1
- National parks and reserves1
- Public health1
- Religious art1
- Religious education1
- Slavery1
- Social conditions1
- Social justice1
- Spiritualism1
- Teaching--Aids and devices1
- Teenagers1
- Violence1
- Waste disposal1
- Women1
- Youth and violence1
- Urban issues30
- Cities12
- Urban transportation11
- City planning3
- Political campaigns3
- Housing2
- Housing policy2
- Public safety2
- Public works2
- Transportation2
- Urban population2
- Afro-Brazilian cults1
- Blacks1
- Books and reading1
- Building1
- Business1
- Community organization1
- Crime1
- Crime prevention1
- Culture1
- Economic and social development1
- Economic policy1
- Education1
- Elections1
- Emblems, National1
- Employee rights1
- Environmental policy1
- Festivals1
- Forests and forestry1
- Government policy1
- History1
- Human rights1
- Information technology1
- Labor unions--Political activity1
- Land reform1
- Land use, urban1
- Local government1
- Local government --Economic aspects1
- Local history1
- Motion pictures1
- Music1
- People with disabilities--Civil rights1
- Political parties1
- Politics1
- Poverty1
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- Recycling (Waste, etc.); Waste disposal1
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- Small business1
- Social justice1
- Social problems1
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- Tourist maps1
- Urban policy--Environmental aspects1
- Urban renewal1
- Urban violence1
- Waste disposal1
- Working class1
- Science and Technology25
- Science and technology12
- Information technology10
- Animal rights3
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- Science education3
- Biotechnology2
- Environment2
- Local government2
- Mass media--Political aspects2
- Political campaigns2
- Artists1
- Arts1
- Astronautics1
- Banks and banking1
- Biodiversity1
- Business1
- Child welfare1
- Cities1
- Diseases1
- Ecology1
- Education1
- Elections1
- Energy1
- Environmental education1
- Environmental protection1
- Fish trade--Environmental aspects1
- Forests and forestry1
- Geology1
- Government policy1
- Health policy1
- History1
- Human rights1
- Labor unions--Political activity1
- Museum exhibits1
- Nature conservation1
- Oil industries1
- Performing arts1
- Philately1
- Politics and government1
- Protest movements1
- Urban policy--Environmental aspects1
- Water resources1
- Tourism13
- Tourism4
- Guidebooks3
- Local history3
- Tourist maps3
- Environment2
- National parks and reserves2
- Advertising--Tourism1
- Cities1
- Community development--Environmental aspects1
- Conservation of natural resources1
- Culture1
- Democracy1
- Ethnic art1
- History1
- Hotels and motels1
- Indigenous peoples1
- Labor laws and legislation1
- Monuments1
- Nature conservation1
- Politics and government1
- Sports1
- Tourism and gastronomy1
- Tourism--Economic aspects1
- Work environment1
- Working class1
- Sociology4
- Brazil✖[remover]1,572
- Bolivia17
- Argentina15
- Chile9
- Paraguay7
- Peru7
- Uruguay7
- United States6
- Cuba5
- Latin America4
- Venezuela4
- Colombia3
- Ecuador3
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- Middle East2
- South Africa2
- Africa1
- Bangladesh1
- Caribbean Area1
- Dominican Republic1
- Germany1
- Guyana1
- India1
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- Spain1
- Surinam1
- Sweden1
- Tanzania1
- Vietnam1