History Politics and government 22 506 History and criticism 12 540 Social conditions 10 971 Social aspects 8 406 African Americans 7 309 Women 6 925 mer ... Race relations 6 845 Historia 5 545 Social life and customs 5 481 Foreign relations 5 061 Political aspects 4 953 Civilization 4 843 Philosophy 4 755 Jews 4 592 Civil rights 4 473 Economic conditions 4 347 Intellectual life 4 037 Church history 3 891 World War, 1939-1945 3 853 Ethnic relations 3 422 Racism 3 337 Civil rights movements 3 287 Historiography 3 243 Colonies 3 113 Religious aspects 3 112 Slavery 2 896 Criticism and interpretation 2 884 Influence 2 819 Motion pictures 2 703 mindre ...