History 29,788 History and criticism 7,071 Politics and government 6,128 Social conditions 3,498 Intellectual life 2,739 Social aspects 2,071 African Americans 2,037 hơn ... Race relations 1,857 Political aspects 1,856 Criticism and interpretation 1,796 Foreign relations 1,623 Social life and customs 1,605 World War, 1939-1945 1,522 Civilization 1,337 American literature 1,324 Jews 1,280 Women 1,221 Women and literature 1,174 Economic conditions 1,117 Civil rights 1,114 Ethnic relations 1,111 In literature 1,062 Architecture 1,042 Influence 1,015 Manners and customs 1,005 International relations 986 Political activity 972 Women authors 929 Motion pictures 889 Modernism (Literature) 833 ít hơn ...