- Supreme Court of Iowa | Wednesday, January 21, 1976 | Cited 0 times
- Supreme Court of Iowa | Wednesday, July 20, 1988 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Friday, November 4, 1988 | Cited 0 times
- Supreme Court of Iowa | Wednesday, March 14, 1984 | Cited 0 times
- Supreme Court of Iowa | Wednesday, October 15, 1980 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Thursday, January 22, 1976 | Cited 0 times
- California Court of Appeal | Thursday, June 20, 1996 | Cited 0 times
- Supreme Court of Iowa | Wednesday, January 18, 1995 | Cited 0 times