Polish Americans--Anniversaries, etc 3 Polish Heritage Society of Philadelphia 2 American Council of Polish Cultural Clubs 1 American Revolution Bicentennial, 1776-1976--Pennsylvania--Philadelphia 1 Friends of Polish Art 1 Polish American Citizens' League of Pennsylvania 1 Polish American Congress 1 more ... Polish Americans--Monuments--Pennsylvania--Philadelphia 1 Polish Americans--Politics and government--20th century 1 Polish Americans--Societies, etc 1 Polish Arts Club 1 Polish National Committee 1 Polish Relief Committee 1 War photography--Poland 1 World War, 1939-1945--Civilian relief--Poland 1 World War, 1939-1945--Photography 1 World War, 1939-1945--Poland 1 World War, 1939-1945--War work--United States 1 less ...