Slavery--United States--History 2 Aeronautics, Commercial--Law and legislation--United States 1 African Americans--Georgia 1 Airports--Pennsylvania 1 Ambassadors--United States 1 Ambassadors’ spouses 1 Ancient Arabic Order of the Nobles of the Mystic Shrine for North America 1 more ... Armories--Pennsylvania 1 Centennial Exhibition (1876 : Philadelphia, Pa.) 1 Charities--Pennsylvania--Philadelphia 1 City planning 1 College trustees--United States 1 Democratic Party (U.S.) 1 Department stores 1 Department stores--Pennsylvania--Philadelphia 1 Depressions--1929--Pennsylvania--Philadelphia 1 Diplomatic and consular service, American 1 Foreign Relations--United States--Europe--1935-1944 1 Governments in exile 1 Hotels--Pennsylvania--Philadelphia 1 Insurance companies--United States 1 Jews, American 1 Law offices--Records and correspondence 1 Local transit--Pennsylvania--Philadelphia 1 Mortgage banks--United States 1 Motion picture theaters--Pennsylvania--Philadelphia--1920-1940 1 Musical Fund Society of Philadelphia 1 Nazi propaganda--Poland 1 Newspapers--Pennsylvania--Philadelphia 1 Newspapers--Pennsylvania--Philadelphia--20th century 1 Pennsylvania--Politics and government 1 Philadelphia (Pa.)--City planning 1 Philadelphia (Pa.)--Newspapers 1 Philadelphia Views--19th century 1 Philadelphia Views--20th century 1 Photographs--Street scenes 1 Plantation life 1 Poland--Foreign relations--United States--Sources 1 Political conventions--Pennsylvania--Philadelphia 1 Presidents election 1 less ...