From Wikipedia, the free encyclopedia
- History, Beauty combined in 'Glass Country' Janet Whritner, Sarasota Herald-Tribune 7/25/1976.
- Glass museum would honor Mt. Pleasant's productive past Debra Duncan Post-Gazette 1/17/2013.
- Petroleum Pioneers of Pittsburgh Alfred Mann, Heinz Center.
- National Park marker Standard Oil Station.
- Oil150.com Timelines Neil & Lois McElwee.
- History of Arco
- Oil boom: Pittsburgh was nation's 1st petroleum capital, Kim Leonard Tribune-Review 10/4/2009.
- Pittsburgh's brands once were talk of the town, Kim Leonard Tribune-Review 3/20/2005.
- 1st Professional Football Game PA Historic Marker.
- 1st World Series PA Historic Marker.
- 1st U.S. Olympic hockey team was formed in Pittsburgh PittsburghHockey.net.
- Why Super Bowl L should be Pittsburgh's Dejan Kovacevic Tribune-Review 2/6/2013.
- Electronic Computer Rejects Wrong Data Post-Gazette 2/8/1956.
- Last of the Prototype Jeeps built in Butler goes on display Marylin Pitz Post-Gazette 4/21/2003.
- When rivers ruled the city Donald Miller Post-Gazette 2/5/1988.
- 1st VW Rolls Off Assembly Line in US Reginald Stuart, New York Times 4/11/1978.
- West Mifflin plant closes Jon Schmitz, Post-Gazette 12/13/2008.
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