Ethnic groups 4 Societies, etc 4 United States--History--Revolution, 1775-1783 3 World War, 1939-1945 3 Connecticut--Description and Travel--19th century 2 Family life--Pennsylvania--20th century 2 Friendly societies--United States 2 more ... Genealogy 2 Italian Americans 2 Japanese American Citizens' League 2 Japanese Americans--Civil rights 2 Japanese Americans--Evacuation and relocation, 1942-1945 2 Pennsylvania--Boundaries 2 Polish Americans 2 Spouses--Correspondence-–20th century 2 United States Continental Army--Order-books 2 Voyages and travels 2 Academy of Music (Philadelphia, Pa.) 1 Accounts--18th century 1 Accounts--19th century 1 Advertising--Fashion--United States--History--20th century 1 Advertising--United States--History--20th century 1 Affirmative action programs--Government policy--United States--History--20th century 1 African Americans--Pennsylvania--Philadelphia--Societies, etc 1 African Americans--Pennsylvania--Societies, etc 1 African Americans--Societies, etc 1 Agriculture--Early 19th century 1 American Bar Association 1 American Friends Service Committee 1 American Red Cross--History--20th Century 1 American wit and humor--Periodicals 1 Anglo-American relations 1 Anti-Catholicism--United States--History 1 Anti-Masonry 1 Arbitration (Administrative law)--United States 1 Architects--Pennsylvania 1 Architects--Pennsylvania--Philadelphia 1 Architecture--Designs and plans 1 Asian Americans--Politics and government--20th century 1 Asian Americans--Societies, etc 1 less ...