- Supreme Court of Pennsylvania | Friday, March 29, 1996 | Cited 0 times
- Supreme Court of Pennsylvania | Thursday, July 12, 2007 | Cited 0 times
- Commonwealth Court of Pennsylvania | Friday, February 5, 2010 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Thursday, October 18, 1973 | Cited 0 times
- Commonwealth Court of Pennsylvania | Monday, April 11, 2011 | Cited 0 times