Mayors--Pennsylvania--Philadelphia 2 Philadelphia (Pa.)--City government--20th century 2 Philadelphia (Pa.)--History--20th century 2 Philadelphia (Pa.)--Officials and employees 2 Philadelphia (Pa.)--Politics and government--20th century 2 Philadelphia (Pa.)--Social conditions--20th century 2 Advocacy organizations--Philadelphia--20th century 1 more ... Affirmative action programs--Government policy--United States--History--20th century 1 Built environment--Pennsylvania--Philadelphia--20th century 1 Business and manufacturing--Pennsylvania--Philadelphia--20th century 1 Business mergers and acquisitions--20th century 1 Business--History--Pennsylvania--Philadelphia--20th century 1 Campaign management--United States 1 City planning and development--Pennsylvania--Philadelphia--20th century 1 City planning--Pennsylvania--Philadelphia--20th century 1 Consumer activism--20th century 1 Elections--Pennsylvania--Philadelphia--History--20th century 1 Elections--United States--Planning 1 Lawyers--Pennsylvania--Philadelphia--20th century 1 Municipal government--Pennsylvania--Philadelphia--20th century 1 Municipal officials and employees--Pennsylvania--Philadelphia 1 Municipal records--Philadelphia 1 Museums--Pennsylvania--Philadelphia--20th century 1 Pennsylvania--Politics and government--20th century 1 Philadelphia (Pa.)--Social problems 1 Political campaigns--Law and legislation--United States 1 Political campaigns--Pennsylvania 1 Politics and government--Pennsylvania--Philadelphia--20th century 1 United States--Politics and government--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 Veterans--Employment--United States 1 Veterans--Employment--United States--Evaluation 1 Veterans--Employment--United States--History--20th century 1 Veterans--Employment--United States--Law and legislation 1 Veterans--United States 1 Veterans--United States--Social conditions--20th century 1 less ...