- United States Tax Court | Wednesday, July 30, 1975 | Cited 0 times
- Court of Appeals of Texas | Tuesday, March 5, 2013 | Cited 0 times
- Court of Appeals for the Fifth Circuit | Friday, May 23, 1958 | Cited 0 times
- Supreme Court of Colorado | Monday, August 20, 1973 | Cited 0 times
- District Court, N.D. Texas | Tuesday, June 18, 1985 | Cited 0 times
- Court of Appeals of Texas | Thursday, November 14, 2002 | Cited 0 times