- Supreme Court of the United States | Monday, June 7, 1971 | Cited 0 times
- District Court, W.D. Washington | Tuesday, December 28, 1982 | Cited 0 times
- United States Tax Court | Monday, March 28, 1994 | Cited 0 times
- United States Tax Court | Tuesday, August 29, 1995 | Cited 0 times