- United States Tax Court | Friday, November 30, 2001 | Cited 0 times
- Court of Appeals for the Tenth Circuit | Monday, December 6, 1971 | Cited 0 times
- Court of Appeals for the Fifth Circuit | Wednesday, May 2, 1973 | Cited 0 times
- Court of Appeals for the Ninth Circuit | Friday, February 23, 1962 | Cited 0 times
- United States Tax Court | Friday, June 30, 2000 | Cited 0 times
- United States Tax Court | Monday, December 8, 1975 | Cited 0 times