Sources 3,012 History 2,917 Genealogy 737 Archives 411 Bibliography 333 Registers of births, etc 275 Archival resources 235 more ... Politics and government 231 Manuscripts 182 Histoire 113 Catalogs 100 Vital records 99 Taxation 98 Finance, Public 96 Emigration and immigration 92 African Americans 90 Court records 88 Marriage records 88 Manuscripts, American 87 Church records and registers 83 Estate administration--19th century 82 Accounts--19th century 76 Church history 76 Poetry--19th century 75 Merchants--Pennsylvania--Philadelphia--18th century 69 Probate records 67 Wills 63 Indians of North America 61 Foreign relations 55 History, Local 54 Social life and customs--19th century 53 Militia 51 Public records 51 Cemeteries 48 Economic conditions 48 Population 46 Shipping--Pennsylvania--Philadelphia--18th century 45 Appropriations and expenditures 44 Weather--Personal accounts 42 Biography 41 less ...