- United States Tax Court | Wednesday, March 19, 1975 | Cited 0 times
- United States Tax Court | Wednesday, March 19, 1975 | Cited 0 times
- United States Tax Court | Tuesday, April 26, 1977 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Thursday, August 10, 1978 | Cited 0 times
- Supreme Court of the United States | Monday, March 7, 1983 | Cited 0 times
- United States Tax Court | Wednesday, January 30, 1985 | Cited 0 times
- United States Tax Court | Monday, June 22, 1987 | Cited 0 times