History 424 History and criticism 139 Politics and government 94 Music 75 Family members 59 American poetry 58 Criticism and interpretation 55 Social life and customs 53 Manners and customs 50 Social conditions 46 Civilization 44 Social aspects 43 African Americans 42 Philosophy 40 Foreign relations 38 Poetry 38 Diplomatic relations 37 Women 37 Families 35 World War, 1939-1945 33 Psychological aspects 32 Economic conditions 31 Psychology 30 Race relations 29 Authors, American 28 Political aspects 25 Psychoanalysis 25 Psychotherapy 25 Literature 24 Composers 23