- Supreme Court of Iowa | Wednesday, March 21, 1990 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, August 13, 1996 | Cited 0 times
- Supreme Court of Oklahoma | Tuesday, February 12, 1985 | Cited 0 times
- Oklahoma Attorney General Reports | Wednesday, January 10, 1990 | Cited 0 times
- Oklahoma Attorney General Reports | Wednesday, April 11, 2001 | Cited 0 times