History 412 Politics and government 101 Social conditions 50 Social life and customs 44 African Americans 43 Biography 38 Manners and customs 38 more ... Authors, American 36 Presidents 36 World War, 1939-1945 35 Travel 32 Biographies 30 Race relations 28 Generals 27 Jews 27 Criticism and interpretation 26 Legislators 26 Campaigns 25 Families 25 Family 25 Military campaigns 25 History and criticism 24 Intellectual life 24 Composers 22 Histoire 22 Kings and rulers 22 Women 22 Physicians 20 Politicians 20 Statesmen 20 less ...