- Supreme Court of Minnesota | Friday, March 5, 1971 | Cited 0 times
- Supreme Court of Minnesota | Friday, October 1, 1971 | Cited 0 times
- District Court, D. Minnesota | Friday, September 19, 1997 | Cited 0 times
- Nebraska Supreme Court | Friday, January 15, 1988 | Cited 0 times
- Supreme Court of Minnesota | Thursday, December 30, 1971 | Cited 0 times
- Court of Appeals of Oregon | Thursday, February 25, 1971 | Cited 0 times