History 8 Family life--Pennsylvania--20th century 4 Histoire 4 Philadelphia (Pa.)--Politics and government--20th century 4 Museums--Pennsylvania--Philadelphia--20th century 3 Pennsylvania--Politics and government--20th century 3 Philadelphia (Pa.)--City government--20th century 3 more ... Philadelphia (Pa.)--Officials and employees 3 Philadelphia (Pa.)--Social conditions--20th century 3 Slavery--United States--History 3 Affirmative action programs--Government policy--United States--History--20th century 2 Artists--Correspondence 2 COVID-19 (Disease) 2 Campaign management--United States 2 Charities--Pennsylvania--Philadelphia 2 Clubs and Associations--Philadelphia--20th century 2 Elections--United States--Planning 2 Family life--Pennsylvania--19th century 2 Genealogy 2 Insurance companies--United States 2 Municipal officials and employees--Pennsylvania--Philadelphia 2 Musical Fund Society of Philadelphia 2 Pennsylvania--History 2 Philadelphia (Pa.)--City planning 2 Philadelphia (Pa.)--History--20th century 2 Political campaigns--Law and legislation--United States 2 Political campaigns--Pennsylvania 2 Politics and government 2 Puerto Rican Week Festival (Philadelphia, Pa.) 2 Quakers--Pennsylvania--18th century 2 Railroads--Management 2 Slavery 2 Slavery--Law and legislation--United States--History 2 Social life and customs 2 Spouses--Correspondence-–20th century 2 United States--History--Cold War 2 United States--History--Revolution, 1775-1783 2 Women's history--Pennsylvania--Philadelphia 2 World War II 2 World War, 1939-1945 2 less ...