- Supreme Court of Pennsylvania | Tuesday, May 8, 1973 | Cited 0 times
- Commonwealth Court of Pennsylvania | Wednesday, February 1, 1989 | Cited 0 times
- Commonwealth Court of Pennsylvania | Friday, May 15, 1992 | Cited 0 times
- Commonwealth Court of Pennsylvania | Tuesday, October 2, 2001 | Cited 0 times
- Supreme Court of the United States | Thursday, June 29, 1972 | Cited 0 times
- Supreme Court of the United States | Monday, May 14, 1973 | Cited 0 times