- Court of Appeals for the Eighth Circuit | Thursday, October 11, 1984 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Thursday, April 29, 2004 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Tuesday, June 8, 2010 | Cited 0 times
- United States Tax Court | Monday, May 23, 2011 | Cited 0 times