- Supreme Court of the United States | Monday, March 8, 1971 | Cited 0 times
- Supreme Court of the United States | Monday, May 14, 1973 | Cited 0 times
- Supreme Court of Minnesota | Friday, February 3, 1978 | Cited 0 times
- Supreme Court of Minnesota | Friday, June 2, 1989 | Cited 0 times
- Supreme Court of Minnesota | Friday, July 31, 1970 | Cited 0 times
- Supreme Court of the United States | Tuesday, May 31, 1977 | Cited 0 times