Family life--Pennsylvania--19th century 2 Family life--Pennsylvania--20th century 2 Genealogy 2 Spouses--Correspondence--19th century 2 Spouses--Correspondence-–20th century 2 Ballet companies--Pennsylvania--Philadelphia 1 Children's diaries, American 1 more ... Clubs--Pennsylvania--Philadelphia 1 Family life--Pennsylvania--18th century 1 Family life--Personal correspondence--19th century 1 Family life--Personal correspondence--20th century 1 Family life--Upper Class--19th century 1 Family life--Upper Class--Pennsylvania--Philadelphia--20th century 1 Glen Foerd (Philadelphia, Pa.) 1 Korean War, 1950-1953 1 Lectures and lecturing--Pennsylvania--Philadelphia 1 Opera Companies--Pennsylvania--Philadelphia 1 Opera companies--United States 1 Peabody Trust 1 Playbills--Pennsylvania--Philadelphia 1 Quakers--Pennsylvania--18th century 1 Revues--Pennsylvania--Philadelphia 1 Slaves--Jamaica--Social conditions--18th century 1 Social Life and Customs--Upper Class--20th century 1 Social life and customs--Upper class--19th century 1 Spouses--Correspondence--18th century 1 Symphony orchestras--Pennsylvania--Philadelphia 1 Symphony orchestras--United States 1 Theater--Pennsylvania--Philadelphia 1 United States--History--Revolution, 1775-1783 1 Upper class--Pennsylvania--Philadelphia 1 World War, 1939-1945 1 less ...