- United States Tax Court | Tuesday, December 15, 1970 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Thursday, October 20, 1960 | Cited 0 times
- Court of Appeals for the Sixth Circuit | Monday, June 8, 2009 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Wednesday, August 18, 1999 | Cited 0 times
- United States Tax Court | Wednesday, July 14, 1982 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Wednesday, October 9, 1991 | Cited 0 times