Sources 3,061 History 3,030 Genealogy 752 Archives 415 Bibliography 333 Registers of births, etc 278 Politics and government 236 more ... Archival resources 235 Manuscripts 182 Histoire 159 Emigration and immigration 107 Catalogs 100 Taxation 99 Vital records 99 Finance, Public 96 Marriage records 91 African Americans 90 Court records 89 Manuscripts, American 87 Church records and registers 85 Estate administration--19th century 83 Church history 80 Accounts--19th century 78 Poetry--19th century 78 Merchants--Pennsylvania--Philadelphia--18th century 70 Probate records 67 Indians of North America 64 Wills 63 Foreign relations 58 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 46 Appropriations and expenditures 44 Weather--Personal accounts 44 Biography 42 less ...