- Supreme Court of the United States | Thursday, June 16, 1977 | Cited 0 times
- Supreme Court of Minnesota | Friday, April 8, 1977 | Cited 0 times
- Supreme Court of Minnesota | Friday, May 18, 1973 | Cited 0 times
- Supreme Court of the United States | Wednesday, December 6, 1972 | Cited 0 times
- Supreme Court of the United States | Wednesday, June 7, 1972 | Cited 0 times