History 16,095 History and criticism 4,640 Politics and government 4,279 Criticism and interpretation 2,973 Social conditions 1,958 Foreign relations 1,370 Economic conditions 1,301 Social aspects 1,214 Philosophy 1,191 Political aspects 1,009 Intellectual life 995 Influence 992 Social life and customs 840 World War, 1939-1945 717 English literature 680 Civilization 668 Women 649 Jews 634 Church history 609 African Americans 600 Race relations 576 Economic policy 571 Political and social views 534 Religious aspects 517 In literature 493 American poetry 478 American literature 462 Relations 446 Ethnic relations 437 Religion 430