- United States Tax Court | Monday, January 25, 1971 | Cited 0 times
- Court of Appeals for the Second Circuit | Tuesday, July 13, 1971 | Cited 0 times
- Court of Appeals for the Fourth Circuit | Monday, February 8, 1971 | Cited 0 times
- United States Tax Court | Monday, November 29, 1971 | Cited 0 times