Business mergers and acquisitions--20th century 2 Advocacy organizations--Philadelphia--20th century 1 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--History--Pennsylvania--Philadelphia--20th century 1 City planning and development--Pennsylvania--Philadelphia--20th century 1 more ... City planning--Pennsylvania--Philadelphia--20th century 1 Consumer activism--20th century 1 Lawyers--Pennsylvania--Philadelphia--20th century 1 Museums--Pennsylvania--Philadelphia--20th century 1 Pennsylvania--Politics and government--20th 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 Railroad companies--Iowa--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 ...