Societies, etc 127 Ethnic groups 113 Religious life 60 Church societies 51 Churches 45 Polish Americans 42 Genealogy 41 more ... Irish Americans 41 Social life and customs--Pennsylvania--Philadelphia (Pa.)--19th century 35 Centennial Exhibition (1876 : Philadelphia, Pa.) 32 Jews 21 Clubs and Associations--Philadelphia--19th century 19 World War, 1939-1945 19 Italian Americans 17 Education 16 African Americans 15 Lithuanian Americans 15 United States--History--Revolution, 1775-1783 14 Schools 13 Genealogical correspondence 11 German Americans 11 Pennsylvania--Genealogy 11 Fairmount Park (Philadelphia, Pa) 10 Family life--Pennsylvania--20th century 10 Family life--Personal correspondence--20th century 10 Genealogy & local history 10 Clubs and Associations--Sporting 9 Personal Correspondence 9 African Americans--Pennsylvania--Philadelphia 8 Charities 8 Church records and registers--Pennsylvania--19th century 8 Estate administration--19th century 8 Family life--Pennsylvania--19th century 8 Family life--Personal correspondence--19th century 8 International trade--19th century 8 Pennsylvania--History--Colonial period, ca. 1600-1775 8 Philadelphia (Pa.)--Social life and customs--19th Century 8 Recreation 8 Social conditions 8 Accounts--19th century 7 less ...