- Supreme Court of Minnesota | Friday, July 31, 1987 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, November 12, 1985 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, June 26, 1990 | Cited 0 times
- Supreme Court of the United States | Monday, June 30, 1975 | Cited 0 times