Societies, etc 121 Ethnic groups 112 Religious life 56 Church societies 48 Churches 45 Polish Americans 41 Irish Americans 39 more ... Social life and customs--Pennsylvania--Philadelphia (Pa.)--19th century 35 Centennial Exhibition (1876 : Philadelphia, Pa.) 32 Jews 21 Italian Americans 17 Education 16 Genealogy 15 Lithuanian Americans 15 African Americans 14 Schools 13 Fairmount Park (Philadelphia, Pa) 10 German Americans 10 Charities 8 Philadelphia (Pa.)--Social life and customs--19th Century 8 Recreation 8 Social conditions 8 Church schools 7 Estate administration--Philadelphia (Pa.)--19th century 7 Pennsylvania--History--Colonial period, ca. 1600-1775 7 Philadelphia (Pa.)--Commerce 7 Political activity 7 Tax collection--Philadelphia (Pa.)--18th century 7 United States--History--Revolution, 1775-1783 7 Athletic clubs 6 Clubs and Associations--Sporting 6 Merchants--Pennsylvania--Philadelphia--18th century 6 Philadelphia Views--19th century 6 Social Life and Customs--Upper Class--20th century 6 Societies and clubs 6 Synagogues 6 World War, 1939-1945 6 Accounts--19th century 5 Baptists 5 Choral societies 5 less ...