- United States Tax Court | Thursday, March 28, 1974 | Cited 0 times
- Supreme Court of the United States | Wednesday, June 25, 1986 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Friday, April 8, 1994 | Cited 0 times
- United States Tax Court | Tuesday, January 19, 1993 | Cited 0 times
- United States Tax Court | Monday, May 4, 1992 | Cited 0 times