City planning--Pennsylvania--Philadelphia--20th century 5 Philadelphia (Pa.)--City planning 3 City planning and development--Pennsylvania--Philadelphia--20th century 2 City planning--Pennsylvania--Philadelphia 2 Lawyers--Pennsylvania--Philadelphia--20th century 2 Philadelphia (Pa.)--City government--20th century 2 Philadelphia (Pa.)--Civic improvement 2 more ... Philadelphia (Pa.)--Politics and government--20th century 2 Urban policy--Pennsylvania--Philadelphia 2 Urban renewal--Pennsylvania--Philadelphia 2 Advertising--Pennsylvania--Philadelphia--20th Century 1 Advocacy organizations--Philadelphia--20th century 1 Affirmative action programs--Government policy--United States--History--20th century 1 Airports--Philadelphia 1 Architecture--20th Century 1 Avenue of the Arts (Philadelphia, Pa.) 1 Building Trade--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 Central business districts--Pennsylvania--Philadelphia 1 Charities--Pennsylvania--Philadelphia 1 City planning 1 College trustees--United States 1 Consumer activism--20th century 1 Department stores--Pennsylvania--Philadelphia 1 Depressions--1929--Pennsylvania--Philadelphia 1 Education, Urban--Pennsylvania--Philadelphia 1 Education, Urban--United States--Administration 1 Education--United States--History--20th century 1 Education--United States--Management 1 High speed ground transportation 1 Historic preservation--Pennsylvania--Philadelphia 1 Hog Island Philadelphia Airport Terminal 1 Hotels--Pennsylvania--Philadelphia 1 Housing--Pennsylvania--Philadelphia --20th century 1 Insurance companies--United States 1 Jews, American 1 John Edgar Reyburn 1 less ...