- Supreme Court of Iowa | Tuesday, March 5, 1957 | Cited 0 times
- Supreme Court of Iowa | Tuesday, July 16, 1963 | Cited 0 times
- Supreme Court of Iowa | Tuesday, October 19, 1965 | Cited 0 times
- California Supreme Court | Thursday, September 3, 1970 | Cited 0 times
- Supreme Court of the United States | Monday, June 29, 1970 | Cited 0 times
- Supreme Court of the United States | Tuesday, March 2, 1971 | Cited 0 times