- United States Tax Court | Tuesday, February 19, 1991 | Cited 0 times
- United States Tax Court | Thursday, March 23, 1989 | Cited 0 times
- Supreme Court of the United States | Tuesday, March 21, 1972 | Cited 0 times
- Supreme Court of the United States | Tuesday, March 19, 1985 | Cited 0 times
- United States Tax Court | Thursday, August 1, 1985 | Cited 0 times