| Pittsburgh (Pa.) -- Social life and customs -- 20th century -- Pictorial works. Matches 2 items |
| Pittsburgh (Pa.) -- Social life and customs -- 21st century. Matches 1 item |
| Pittsburgh (Pa.) -- Social life and customs -- Pictorial works. Matches 1 item |
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Pittsburgh (Pa.). Squirrel Hill -- Ethnic relations. SEE: Squirrel Hill (Pittsburgh, Pa.) -- Ethnic relations Matches 1 item
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| Pittsburgh (Pa.) -- Tours. Matches 1 item |
| Pittsburgh Penguins (Hockey team) -- Anecdotes. Matches 1 item |
| Pittsburgh Penguins (Hockey team) -- History. Matches 1 item |
| Pittsburgh Pirates (Baseball team) Matches 2 items |
| Pittsburgh Pirates (Baseball team) -- History. Matches 8 items |
| Pittsburgh Pirates (Baseball team) -- History -- 20th century. Matches 1 item |