- Supreme Court of Minnesota | Friday, April 16, 1976 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, June 10, 1986 | Cited 0 times
- New York Court of Appeals | Tuesday, April 1, 1975 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, May 28, 1985 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, February 25, 1986 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, February 12, 1985 | Cited 0 times
- Supreme Court of the United States | Monday, June 10, 1968 | Cited 0 times