- Supreme Court of Iowa | Wednesday, May 15, 1991 | Cited 0 times
- Court of Appeals of Tennessee | Tuesday, August 22, 2000 | Cited 0 times
- Court of Appeals of Iowa | Tuesday, April 26, 1994 | Cited 0 times
- Supreme Court of Iowa | Wednesday, December 18, 1996 | Cited 0 times
- Court of Appeals of Iowa | Thursday, August 30, 1990 | Cited 0 times
- Supreme Court of Oklahoma | Tuesday, February 20, 1996 | Cited 0 times