History 266 Politics and government 51 Social conditions 45 African Americans 42 Art 39 Economic conditions 38 Social aspects 32 Social life and customs 31 Antiquities 21 Indians of North America 21 Education 20 Art collections 18 Art museums 18 Manners and customs 17 Private collections 17 Economic history 15 Race relations 15 Women 15 Description and travel 14 Frontier and pioneer life 14 Law 14 Farm life 13 History and criticism 13 Fugitive slaves 12 Government policy 12 Law reviews 12 Soldiers 11 Urban renewal 11 Art, American 10 Droit 10 Finance 10 Hopewell culture 10 In literature 10 Legal status, laws, etc 10 Painting 10 Amish 9 Antislavery movements 9 City planning 9 Exhibitions 9 Jews 9 Law and legislation 9 Murder 9 Architecture 8 Buildings, structures, etc 8 Economic aspects 8 Excavations (Archaeology) 8 Kent State Shootings, Kent, Ohio, 1970 8 Regimental histories 8 Slavery 8 United States of America 8 Businessmen 7 Canals 7 City and town life 7 Legislators 7 Missions 7 Officials and employees 7 Railroads 7 Trials (Murder) 7 Trials, litigation, etc 7 Civil rights 6 Environmental aspects 6 Industries 6 Investigation 6 Judges 6 Labor movement 6 Migration, Internal 6 Music 6 Paleontology 6 Pioneers 6 Politicians 6 Presidents 6 Prevention 6 Prisoners of war 6 Religious aspects 6 Rock music 6 Underground Railroad 6 Universities and colleges 6 Abolitionists 5 Agriculture 5 Commerce 5 Community development 5 Criminals 5 Criticism and interpretation 5 Earthworks (Archaeology) 5 Economic policy 5 Elections 5 Ethnic relations 5 Families 5 Friends and associates 5 Governors 5 Homes and haunts 5 Immigrants 5 Infanticide 5 Labor unions 5 Mounds 5 Municipal law 5 Neighborhoods 5 Painting, American 5 Political aspects 5 Prisoners and prisons 5