- United States Tax Court | Thursday, April 2, 1981 | Cited 0 times
- Court of Appeals of Texas | Wednesday, April 30, 2008 | Cited 0 times
- Court of Appeals of Texas | Wednesday, April 30, 2008 | Cited 0 times
- Court of Appeals of Texas | Wednesday, April 30, 2008 | Cited 0 times
- Court of Appeals of Texas | Thursday, December 13, 2001 | Cited 0 times
- North Dakota Supreme Court | Wednesday, July 2, 2008 | Cited 0 times
- Court of Appeals for the Fifth Circuit | Thursday, January 20, 1983 | Cited 0 times