- Supreme Court of Minnesota | Friday, July 22, 1983 | Cited 0 times
- Supreme Court of Minnesota | Friday, October 18, 1985 | Cited 0 times
- New York Court of Appeals | Tuesday, April 1, 1975 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, September 2, 1986 | Cited 0 times
- Supreme Court of Minnesota | Friday, June 16, 1978 | Cited 0 times
- Supreme Court of Minnesota | Friday, May 22, 1981 | Cited 0 times
- Supreme Court of the United States | Wednesday, January 21, 1981 | Cited 0 times