Philadelphia Rapid Transit Company 2 Philadelphia Transportation Company 2 Advertising, Outdoor--United States--History--20th century 1 Charities--Pennsylvania--Philadelphia 1 College trustees--United States 1 Department stores--Pennsylvania--Philadelphia 1 Depressions--1929--Pennsylvania--Philadelphia 1 more ... Floods--Pennsylvania--Johnstown (Cambria County) 1 Hotels--Pennsylvania--Philadelphia 1 Insurance companies--United States 1 Jews, American 1 Local transit--Pennsylvania--Philadelphia 1 Local transit--Pennsylvania--Philadelphia--History--20th century 1 Mortgage banks--United States 1 Motion picture theaters--Pennsylvania--Philadelphia--1920-1940 1 Pennsylvania--Politics and government 1 Philadelphia (Pa.)--City planning 1 Photograph albums 1 Photograph albums--1930-1950 1 Photographers--Pennsylvania--Philadelphia 1 Political conventions--Pennsylvania--Philadelphia 1 Presidents election 1 Radio stations--United States 1 Railroad equipment industry--United States 1 Real estate business--Pennsylvania 1 Real estate business--Records and correspondence 1 Savings and loan associations--Pennsylvania--Philadelphia 1 Stores, retail--Pennsylvania--Philadelphia 1 Transportation--Pennsylvania 1 Transportation--Pennsylvania--19th century 1 Transportation--Pennsylvania--20th century 1 Transportation--Pennsylvania--Philadelphia--History 1 Transportation--Pennsylvania--Philadelphia--History—20th century 1 Universities and colleges--Pennsylvania 1 Urban renewal--Pennsylvania--Philadelphia 1 Work environment—Pennsylvania—Philadelphia—History—20th century 1 less ...