- United States Tax Court | Tuesday, February 24, 1970 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Tuesday, October 12, 1971 | Cited 0 times
- United States Tax Court | Wednesday, December 13, 1978 | Cited 0 times
- United States Tax Court | Wednesday, January 15, 1975 | Cited 0 times