- United States Tax Court | Monday, April 4, 1966 | Cited 0 times
- United States Tax Court | Wednesday, February 11, 1970 | Cited 0 times
- Court of Appeals for the Fifth Circuit | Tuesday, May 12, 1970 | Cited 0 times
- Supreme Court of the United States | Monday, June 9, 1969 | Cited 0 times