- Supreme Court of Minnesota | Thursday, July 2, 1981 | Cited 0 times
- Supreme Court of Minnesota | Friday, June 19, 1970 | Cited 0 times
- Wyoming Supreme Court | Thursday, May 14, 1987 | Cited 0 times
- Nebraska Supreme Court | Friday, June 22, 1984 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, March 22, 1988 | Cited 0 times