History 273 Genealogy 81 Sources 71 African Americans 56 Politics and government 54 Slavery 30 Registers of births, etc 29 more ... Description and travel 24 Biography 22 Census records 22 Vital records 22 Probate records 21 Marriage records 18 Archival resources 16 Archives 15 Plantation life 15 Indexes 14 Periodicals 14 Registers 14 Social life and customs 14 Indians of North America 13 Land records 13 Legislators 13 Race relations 13 Enslaved persons 12 Jews 12 Agriculture 10 Natural history 10 Reconstruction 10 Economic conditions 9 Histoire 9 Nullification (States' rights) 9 Census, 1790 8 Churches 8 Commerce 8 Court records 8 Education 8 Reconstruction (U.S. history, 1865-1877) 8 Regimental histories 8 Vice-presidents 8 less ...