History 5,045 Politics and government 1,123 African Americans 853 Description and travel 653 Slavery 492 Jews 450 Histoire 389 more ... Genealogy 371 Social life and customs 368 Biography 354 Indians of North America 346 Societies, etc 338 Social conditions 333 Sources 311 Education 294 Emigration and immigration 286 Periodicals 285 Churches 255 Railroads 247 Clergy 243 Economic conditions 233 Foreign relations 232 Church history 213 Race relations 204 Travel 194 Study and teaching 192 Presidents 189 Almanacs, American 184 Cooking, American 163 Fiction 163 Germans 157 Registers of births, etc 156 Civilization 153 Women 153 Religious life 143 World War, 1939-1945 142 History and criticism 141 Missions 141 World War, 1914-1918 141 Sermons, American 135 less ...