Art and artists--20th century 1 Art and artists--Pennsylvania--Philadelphia 1 Artists--Pennsylvania--Philadelphia--20th century 1 Centennial Exhibition (1876 : Philadelphia, Pa.) 1 Charities--Pennsylvania--Philadelphia 1 Coal Industry--19th century 1 Coal Industry--20th century 1 more ... Coal mines and mining--Pennsylvania 1 Coal mines and mining--West Virginia--20th century 1 College trustees--United States 1 Department stores--Pennsylvania--Philadelphia 1 Depressions--1929--Pennsylvania--Philadelphia 1 Family life--Pennsylvania--20th century 1 Family life--Personal correspondence--20th century 1 Hotels--Pennsylvania--Philadelphia 1 Insurance companies--United States 1 Jews, American 1 League of Nations 1 Mortgage banks--United States 1 Motion picture theaters--Pennsylvania--Philadelphia--1920-1940 1 Newspapers--Pennsylvania--Philadelphia 1 Newspapers--Pennsylvania--Philadelphia--20th century 1 Pennsylvania--History--Artistic Representation 1 Pennsylvania--Politics and government 1 Pennsylvania--State Capitol 1 Philadelphia (Pa.)--City planning 1 Philadelphia (Pa.)--Newspapers 1 Philadelphia Views--19th century 1 Philadelphia Views--20th century 1 Photographs--Street scenes 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 Religious imagery--20th century 1 Savings and loan associations--Pennsylvania--Philadelphia 1 Stores, retail--Pennsylvania--Philadelphia 1 Transportation--Pennsylvania 1 less ...