Biography 41 History 39 Authors, English 21 Politics and government 17 Poets, English 16 History and criticism 10 Composers 9 Novelists, English 9 Statesmen 8 Politicians 7 Authors, Irish 6 Prime ministers 6 Women authors, English 6 Authors, American 5 Physicists 5 Poets, American 5 African Americans 4 British 4 Criticism and interpretation 4 Intellectual life 4 Jazz musicians 4 Moving-picture producers and directors 4 Novelists, American 4 Social conditions 4 Soldiers 4 Women 4 Addresses, essays, lectures 3 Critics 3 Foreign relations 3 Jews 3