- Supreme Court of the United States | Tuesday, April 20, 1971 | Cited 0 times
- Supreme Court of the United States | Monday, June 7, 1971 | Cited 0 times
- Court of Appeals for the Third Circuit | Friday, July 25, 1975 | Cited 0 times
- Supreme Court of the United States | Tuesday, April 20, 1971 | Cited 0 times
- District Court, W.D. Pennsylvania | Wednesday, May 18, 1988 | Cited 0 times