Pennsylvania--Politics and government--20th century 7 United States--Politics and government--20th century 2 Advocacy organizations--Philadelphia--20th century 1 Affirmative action programs--Government policy--United States--History--20th century 1 Banks and Banking 1 Built environment--Pennsylvania--Philadelphia--20th century 1 Bureau of Municipal Research (Philadelphia, PA) 1 more ... Business and manufacturing--Pennsylvania--Philadelphia--20th century 1 Business mergers and acquisitions--20th century 1 Business--History--Pennsylvania--Philadelphia--20th century 1 City planning and development--Pennsylvania--Philadelphia--20th century 1 City planning--Pennsylvania--Philadelphia--20th century 1 Consumer activism--20th century 1 Depressions--1929 1 Fashion--20th century 1 Hate mail--Pennsylvania--19th century 1 Labor 1 Labor unions 1 Lawyers and Judges--United States--19th century 1 Lawyers--Pennsylvania--Philadelphia--20th century 1 Local history 1 Museums--Pennsylvania--Philadelphia--20th century 1 New York--Politics and government--19th century 1 Patriotic Societies--Philadelphia 1 Pennsylvania Society of the Sons of the Revolution 1 Pennsylvania--History 1 Pennsylvania--Politics and government--18th century 1 Pennsylvania--Politics and government--19th century 1 Philadelphia (Pa.)--City government--20th century 1 Philadelphia (Pa.)--Politics and government--20th century 1 Politics and government--Pennsylvania--Philadelphia--20th century 1 Public service commissions 1 Unemployment insurance 1 United States--Presidents--Correspondence--19th century 1 United States--Presidents--Correspondence--20th century 1 Veterans--Education--Government policy--United States 1 Veterans--Education--United States 1 Veterans--Education--United States--Costs 1 Veterans--Education--United States--Evaluation 1 Veterans--Education--United States--History--20th century 1 less ...