- Supreme Court of the United States | Wednesday, February 23, 1977 | Cited 0 times
- Supreme Court of Pennsylvania | Friday, October 3, 1975 | Cited 0 times
- Commonwealth Court of Pennsylvania | Tuesday, August 13, 1991 | Cited 0 times
- Supreme Court of the United States | Monday, May 22, 1967 | Cited 0 times