Slavery 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 mergers and acquisitions--20th century 1 Business--History--Pennsylvania--Philadelphia--20th century 1 more ... City planning and development--Pennsylvania--Philadelphia--20th century 1 City planning--Pennsylvania--Philadelphia--20th century 1 Civil rights movements 1 Consumer activism--20th century 1 Discrimination in housing 1 Ethical culture movement 1 Housing development--United States 1 Indians, Treatment of--North America 1 Lawyers--Pennsylvania--Philadelphia--20th century 1 Meteorology--Observations 1 Museums--Pennsylvania--Philadelphia--20th century 1 Newspapers--Pennsylvania--Philadelphia 1 Newspapers--Pennsylvania--Philadelphia--20th century 1 Pennsylvania--Politics and government--20th century 1 Philadelphia (Pa.)--City government--20th century 1 Philadelphia (Pa.)--Newspapers 1 Philadelphia (Pa.)--Politics and government--20th century 1 Photographs--Street scenes 1 Politics and government--Pennsylvania--Philadelphia--20th century 1 Quakers--Pennsylvania--18th century 1 Race discrimination 1 Rationing 1 Segregation 1 Slave trade 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 less ...