- Supreme Court of Minnesota | Friday, February 7, 1986 | Cited 0 times
- United States Tax Court | Monday, May 23, 1988 | Cited 0 times
- Court of Appeals of Minnesota | Friday, April 26, 1985 | Cited 0 times
- North Dakota Supreme Court | Thursday, March 12, 1981 | Cited 0 times
- United States Tax Court | Monday, April 21, 1986 | Cited 0 times
- New Jersey Superior Court | Wednesday, April 18, 1984 | Cited 0 times