- Supreme Court of Minnesota | Friday, February 19, 1982 | Cited 0 times
- Supreme Court of the United States | Tuesday, April 15, 1980 | Cited 0 times
- Supreme Court of the United States | Wednesday, June 25, 1980 | Cited 0 times
- Supreme Court of the United States | Thursday, June 26, 1975 | Cited 0 times
- Supreme Court of the United States | Wednesday, June 23, 1982 | Cited 0 times