- United States Tax Court | Tuesday, October 14, 1975 | Cited 0 times
- Court of Appeals for the Tenth Circuit | Tuesday, October 10, 1967 | Cited 0 times
- United States Tax Court | Thursday, February 6, 1969 | Cited 0 times
- United States Tax Court | Tuesday, May 22, 1973 | Cited 0 times