- Supreme Court of Pennsylvania | Wednesday, December 23, 1987 | Cited 0 times
- Supreme Court of Pennsylvania | Friday, June 3, 1977 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Wednesday, June 26, 1974 | Cited 0 times
- Commonwealth Court of Pennsylvania | Friday, May 10, 1991 | Cited 0 times