- Commonwealth Court of Pennsylvania | Friday, July 21, 1989 | Cited 0 times
- Supreme Court of the United States | Monday, May 14, 1973 | Cited 0 times
- Commonwealth Court of Pennsylvania | Thursday, July 24, 1986 | Cited 0 times
- Supreme Court of Pennsylvania | Wednesday, October 20, 1976 | Cited 0 times
- Supreme Court of the United States | Monday, December 14, 1964 | Cited 0 times