- United States Tax Court | Wednesday, May 8, 1946 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Wednesday, March 11, 1998 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Friday, July 9, 1993 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Tuesday, January 12, 1999 | Cited 0 times
- Supreme Court of the United States | Monday, June 1, 1942 | Cited 0 times