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- Delvin G. Miller (1913 - 1996)
- Bushy Run Battlefield
- The Catawissa Bridge
- Kentucky Honors Her Son, Abraham Lincoln, Who Delivered His Immortal Address at the Site Now Marked by the Soldiers' Monument
- Erie Extension Canal
- Cox Monument
- Golden Plough Tavern
- Daniel Boone
- Lombard Street Riot
- Wildwood Park
- The State Museum of Pennsylvania
- Gettysburg Campaign
- African Americans in Battle of Lake Erie
- Allegheny College
- Anthony Wayne
- Baldwin-Reynolds House
- Birthplace of the Direct Primary
- Brady's Bend
- Buchanan Furnace
- Buckaloons