Pennsylvania--Politics and government--18th century 28 Pennsylvania--Politics and government--19th century 25 Pennsylvania--Politics and government--17th century 8 Pennsylvania--Politics and government--20th century 7 Pennsylvania--Politics and Government 4 Land surveys--Pennsylvania--18th century 3 Pennsylvania--History 3 more ... Pennsylvania--Provincial Council--18th century 3 Affirmative action programs--Government policy--United States--History--20th century 2 Indian--White Relations--18th century 2 Legal profession--19th century 2 Penn, William 2 Pennsylvania--History--Colonial period, ca. 1600-1775--Sources 2 Pennsylvania--Politics and government 2 Philadelphia (Pa.)--City planning 2 Philadelphia (Pa.)--Politics and government--20th century 2 Philadelphia (Pa.)--Race relations--History--20th century 2 Quakers--Pennsylvania--18th century 2 Social life and customs--19th century 2 United States--History--War of 1812 2 United States--Politics and government--20th century 2 Urban renewal--Pennsylvania--Philadelphia 2 Accounts--18th century 1 Advocacy organizations--Philadelphia--20th century 1 American Bar Association 1 American Friends Service Committee 1 American newspapers--Ownership 1 Anti-Catholicism--Pennsylvania--18th century 1 Anti-Masonry 1 Arbitration (Administrative law)--United States 1 Asociacion Nacional Pro Personas Mayores (U.S.) 1 Astronomy--18th century 1 Autobiography--Leach, Josiah Granville 1 Banks and Banking 1 Billy Graham Evangelistic Association 1 Blue Cross of Greater Philadelphia 1 Botany--18th century 1 Building Trades--19th century 1 Built environment--Pennsylvania--Philadelphia--20th century 1 Bureau of Municipal Research (Philadelphia, PA) 1 less ...