- Supreme Court of Minnesota | Friday, June 19, 1970 | Cited 0 times
- North Dakota Supreme Court | Monday, May 1, 1972 | Cited 0 times
- Court of Appeals of Texas | Wednesday, February 10, 1971 | Cited 0 times
- Court of Appeals of Texas | Thursday, September 30, 1971 | Cited 0 times
- Court of Appeals of Texas | Wednesday, May 23, 1984 | Cited 0 times
- Court of Appeals of Texas | Wednesday, May 24, 1995 | Cited 0 times