- Supreme Court of the United States | Monday, November 18, 1968 | Cited 0 times
- Supreme Court of Minnesota | Friday, July 10, 1959 | Cited 0 times
- Supreme Court of Minnesota | Friday, December 10, 1965 | Cited 0 times
- Supreme Court of Minnesota | Friday, October 17, 1969 | Cited 0 times
- California Court of Appeal | Wednesday, July 5, 1967 | Cited 0 times
- Supreme Court of the United States | Monday, November 23, 1964 | Cited 0 times