History 832 Histoire 172 Social conditions 146 HISTORY 137 General 130 African Americans 118 Politics and government 112 Race relations 81 Social aspects 80 Social life and customs 76 Economic conditions 68 SOCIAL SCIENCE 61 Indians of North America 57 State & Local 56 Description and travel 44 Society of Friends 43 BUSINESS & ECONOMICS 42 Middle Atlantic (DC, DE, MD, NJ, NY, PA) 42 POLITICAL SCIENCE 37 Education 36 Manners and customs 35 Art 34 Architecture 32 Coal miners 31 Industries 30 Quakers 30 Urban renewal 30 City planning 29 BIOGRAPHY & AUTOBIOGRAPHY 28 Buildings, structures, etc 27 Ethnic relations 27 Labor unions 26 New England (CT, MA, ME, NH, RI, VT) 26 Labor movement 24 Women 24 Working class 24 Politique et gouvernement 23 Church history 22 Conditions sociales 22 Homes and haunts 22 Iron and steel workers 22 Law 22 Pennsylvania Dutch 22 Economic history 21 Immigrants 21 Labor 21 Economic aspects 20 Geology 20 Gettysburg, Battle of, Gettysburg, Pa., 1863 20 Religious aspects 20 Steel industry and trade 20 Civil rights 19 Criticism and interpretation 19 Historic buildings 19 Political aspects 19 Private collections 19 Coal mines and mining 18 Prisoners 18 Public Policy 18 Antiquities 17 Art, American 17 Aspect social 17 Cultural assimilation 17 Historical 17 Law reviews 17 African American women 16 Emigration and immigration 16 Ethnic identity 16 Government policy 16 Intellectual life 16 Law and legislation 16 Antislavery movements 15 Art collections 15 Art museums 15 Iroquois Indians 15 Jews 15 Mœurs et coutumes 15 Painting 15 Anthropology 14 Employment 14 History and criticism 14 Noirs américains 14 Religion 14 Theater 14 Colonial Period (1600-1775) 13 Finance 13 Frontier and pioneer life 13 Medical care 13 Revolutionary Period (1775-1800) 13 Slavery 13 Strikes and lockouts 13 Urbanization 13 Architecture, Domestic 12 Community development 12 Droit 12 Families 12 Historic sites 12 Moravians 12 Prisons 12 Railroads 12