- Court of Appeals for the Eighth Circuit | Thursday, August 7, 1969 | Cited 0 times
- Court of Appeals for the Ninth Circuit | Thursday, October 26, 1967 | Cited 0 times
- United States Tax Court | Monday, January 11, 1988 | Cited 0 times
- United States Tax Court | Tuesday, March 12, 1991 | Cited 0 times