- Supreme Court of the United States | Monday, April 21, 1969 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Thursday, January 23, 1975 | Cited 0 times
- Court of Appeals for the Fifth Circuit | Thursday, November 16, 1978 | Cited 0 times
- Court of Appeals for the Fifth Circuit | Friday, September 20, 1991 | Cited 0 times
- Supreme Court of the United States | Monday, March 4, 1974 | Cited 0 times
- Court of Appeals for the Fifth Circuit | Wednesday, December 19, 1979 | Cited 0 times
- United States Tax Court | Friday, June 30, 2000 | Cited 0 times