History 35,303 Politics and government 5,783 African Americans 4,453 Description and travel 4,010 Genealogy 3,518 Biography 2,893 Sources 2,865 more ... Indians of North America 2,531 Jews 2,455 Slavery 2,418 Social life and customs 2,380 Streets 2,187 Social conditions 2,085 Registers of births, etc 1,937 Histoire 1,910 Church records and registers 1,825 Emigration and immigration 1,788 Bibliography 1,581 Education 1,468 Societies, etc 1,350 Churches 1,315 Race relations 1,279 Almanacs, American 1,207 Church history 1,197 Economic conditions 1,163 Clergy 1,127 Railroads 1,125 Cooking, American 1,061 Foreign relations 1,029 Presidents 1,022 Women 994 Fiction 930 Marriage records 853 World War, 1914-1918 848 Families 830 Regimental histories 821 Study and teaching 808 Archives 797 Family 784 Anniversaries, etc 775 less ...