- Supreme Court of the United States | Tuesday, March 21, 1989 | Cited 0 times
- Supreme Court of the United States | Monday, May 15, 1972 | Cited 0 times
- Supreme Court of the United States | Tuesday, March 21, 1989 | Cited 0 times
- District Court, E.D. Pennsylvania | Thursday, November 16, 1978 | Cited 0 times
- Supreme Court of the United States | Wednesday, June 17, 1981 | Cited 0 times