- Supreme Court of Minnesota | Friday, August 15, 1986 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, June 11, 1985 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, February 18, 1986 | Cited 0 times
- Supreme Court of the United States | Thursday, June 22, 1972 | Cited 0 times