Genealogy 40 Social life and customs--Pennsylvania--Philadelphia (Pa.)--19th century 35 Centennial Exhibition (1876 : Philadelphia, Pa.) 32 Clubs and Associations--Philadelphia--19th century 19 World War, 1939-1945 19 United States--History--Revolution, 1775-1783 14 Genealogical correspondence 11 more ... Pennsylvania--Genealogy 11 Fairmount Park (Philadelphia, Pa) 10 Family life--Pennsylvania--20th century 10 Family life--Personal correspondence--20th century 10 Genealogy & local history 10 Clubs and Associations--Sporting 9 Personal Correspondence 9 African Americans--Pennsylvania--Philadelphia 8 Church records and registers--Pennsylvania--19th century 8 Estate administration--19th century 8 Family life--Pennsylvania--19th century 8 Family life--Personal correspondence--19th century 8 International trade--19th century 8 Pennsylvania--History--Colonial period, ca. 1600-1775 8 Philadelphia (Pa.)--Social life and customs--19th Century 8 Accounts--19th century 7 African American families 7 African Americans--Pennsylvania--Philadelphia--Societies, etc 7 Clubs and Associations--Philadelphia--20th century 7 Diaries--19th century 7 Estate administration--Philadelphia (Pa.)--19th century 7 Family life--Pennsylvania--Philadelphia 7 Merchants--Pennsylvania--Philadelphia--18th century 7 Pennsylvania--History 7 Philadelphia (Pa.)--Commerce 7 Social Life and Customs--Upper Class--20th century 7 Spouses--Correspondence-–20th century 7 Tax collection--Philadelphia (Pa.)--18th century 7 World War, 1914-1918 7 Benevolent Societies--Philadelphia--19th century 6 Church Finance--Pennsylvania--19th century 6 Clubs and Associations--20th Century 6 Clubs and Associations--Political 6 less ...