- Court of Appeals for the Ninth Circuit | Friday, October 7, 1988 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Thursday, June 5, 1997 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Tuesday, February 27, 1968 | Cited 0 times
- United States Tax Court | Monday, May 19, 1969 | Cited 0 times