- Court of Appeals for the Seventh Circuit | Wednesday, September 17, 1975 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Friday, August 10, 1979 | Cited 0 times
- United States Tax Court | Tuesday, August 16, 1988 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Friday, May 30, 1975 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Wednesday, August 10, 1983 | Cited 0 times
- United States Tax Court | Monday, March 5, 1990 | Cited 0 times
- United States Tax Court | Wednesday, March 29, 1989 | Cited 0 times