- Supreme Court of the United States | Friday, June 24, 1983 | Cited 0 times
- District Court, S.D. Iowa | Wednesday, February 3, 1982 | Cited 0 times
- California Court of Appeal | Wednesday, October 29, 1980 | Cited 0 times
- Supreme Court of the United States | Tuesday, June 17, 1975 | Cited 0 times