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 mer ... 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 mindre ...