- United States Tax Court | Wednesday, January 31, 1968 | Cited 0 times
- United States Tax Court | Tuesday, May 9, 1972 | Cited 0 times
- Supreme Court of the United States | Tuesday, April 27, 1965 | Cited 0 times
- Supreme Court of the United States | Tuesday, January 12, 1993 | Cited 0 times
- United States Tax Court | Tuesday, February 26, 1980 | Cited 0 times
- United States Tax Court | Wednesday, February 25, 1981 | Cited 0 times