- Supreme Court of the United States | Monday, April 3, 1972 | Cited 0 times
- Supreme Court of Iowa | Tuesday, September 19, 1967 | Cited 0 times
- California Court of Appeal | Monday, June 15, 1970 | Cited 0 times
- Oregon Supreme Court | Friday, July 26, 1968 | Cited 0 times
- Oregon Supreme Court | Thursday, September 5, 1968 | Cited 0 times
- Supreme Court of the United States | Tuesday, March 2, 1971 | Cited 0 times