History 410 Politics and government 108 Foreign relations 61 Diplomatic relations 60 Travel 56 Description and travel 53 Social life and customs 51 History and criticism 50 World War, 1939-1945 49 Manners and customs 46 Social conditions 43 Catholic Church 40 African Americans 39 Christianity 36 Civilization 36 Family members 35 Religion 35 Women 32 Philosophy 30 Families 28 Religious aspects 26 Campaigns 25 World War, 1914-1918 24 Criticism, interpretation, etc 23 Authors, American 22 Fiction 22 Military campaigns 22 Social aspects 22 Jews 21 Race relations 21