Genealogy 5 Chester County (Pa.)--History--18th century 4 Farm accounts--19th century 4 Genealogical correspondence 4 International trade--18th century 4 Social life and customs--19th century 4 Accounts--19th century 3 more ... Family life--Pennsylvania--20th century 3 Family life--Personal correspondence--19th century 3 Local transit--Pennsylvania--Philadelphia 3 Pennsylvania--History--Colonial period, ca. 1600-1775 3 Pennsylvania--Politics and government--18th century 3 United States--History--Revolution, 1775-1783 3 African American universities and colleges 2 Carpentry--19th century 2 Chester County (Pa.)--History--19th century 2 Commerce--Philadelphia--19th century 2 Court records--Pennsylvania--18th century 2 Diaries--20th century 2 Estate administration--19th century 2 Family life--Personal correspondence--20th century 2 Farm life--19th century 2 Farming--Pennsylvania--19th century 2 Fox hunting 2 Fox hunting--Pennsylvania 2 Genealogy & local history 2 Historians--19th century 2 Historians--Research Material 2 Historic buildings--Pennsylvania--Philadelphia 2 Historical Society of Pennsylvania 2 Indian--White Relations--18th century 2 Indians--18th century 2 Insurance companies--United States 2 Legal Documents--19th century 2 Legal Proceedings--18th century 2 Maps--Pennsylvania--Philadelphia County 2 Mason-Dixon Line 2 Medical History--19th Century 2 Pennsylvania--Genealogy 2 Pennsylvania--History 2 less ...