History 815 Histoire 157 Social conditions 138 HISTORY 135 General 128 African Americans 114 Politics and government 110 Race relations 82 Social life and customs 75 Social aspects 70 Economic conditions 67 SOCIAL SCIENCE 64 State & Local 55 Indians of North America 54 Description and travel 44 BUSINESS & ECONOMICS 42 Middle Atlantic (DC, DE, MD, NJ, NY, PA) 41 Society of Friends 38 POLITICAL SCIENCE 37 Art 34 Education 33 Urban renewal 33 Coal miners 31 Architecture 30 City planning 30 Quakers 30 Buildings, structures, etc 29 BIOGRAPHY & AUTOBIOGRAPHY 28 Industries 28 Ethnic relations 27 Labor unions 27 New England (CT, MA, ME, NH, RI, VT) 25 Women 25 Labor movement 24 Working class 24 Church history 22 Homes and haunts 22 Law 22 Pennsylvania Dutch 22 Antiquities 21 Conditions sociales 21 Immigrants 21 Labor 21 Politique et gouvernement 21 Criticism and interpretation 20 Economic aspects 20 Economic history 20 Steel industry and trade 20 Geology 19 Historic buildings 19 Iron and steel workers 19 Private collections 19 Coal mines and mining 18 Public Policy 18 Art, American 17 Civil rights 17 Gettysburg, Battle of, Gettysburg, Pa., 1863 17 Historical 17 Intellectual life 17 Law reviews 17 Manners and customs 17 Political aspects 17 Religious aspects 17 African American women 16 Emigration and immigration 16 Ethnic identity 16 History and criticism 16 Prisoners 16 Antislavery movements 15 Art collections 15 Aspect social 15 Cultural assimilation 15 Jews 15 Painting 15 Anthropology 14 Government policy 14 Law and legislation 14 Medical care 14 Mœurs et coutumes 14 Religion 14 Theater 14 Architecture, Domestic 13 Civilization 13 Colonial Period (1600-1775) 13 Employment 13 Finance 13 Frontier and pioneer life 13 Historic sites 13 Noirs américains 13 Revolutionary Period (1775-1800) 13 Slavery 13 Strikes and lockouts 13 Urbanization 13 Community development 12 Droit 12 Elections 12 Free African Americans 12 Iroquois Indians 12 Moravians 12 Prisons 12