- United States Tax Court | Wednesday, February 4, 1981 | Cited 0 times
- District Court, E.D. Pennsylvania | Thursday, June 18, 1981 | Cited 0 times
- Court of Appeals for the Third Circuit | Wednesday, September 5, 2018 | Cited 0 times
- United States Tax Court | Thursday, February 26, 1981 | Cited 0 times