- United States Tax Court | Tuesday, May 7, 1968 | Cited 0 times
- Supreme Court of the United States | Tuesday, May 28, 1974 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Thursday, March 28, 1968 | Cited 0 times
- Court of Appeals for the Fifth Circuit | Monday, July 19, 1976 | Cited 0 times
- Supreme Court of the United States | Tuesday, February 22, 1977 | Cited 0 times