- Court of Appeals for the Ninth Circuit | Tuesday, June 26, 1990 | Cited 0 times
- Supreme Court of Iowa | Wednesday, December 21, 1988 | Cited 0 times
- Supreme Court of the United States | Wednesday, March 20, 1991 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Wednesday, October 3, 1990 | Cited 0 times
- Supreme Court of the United States | Monday, June 22, 1992 | Cited 0 times