- Supreme Court of Minnesota | Friday, July 24, 1970 | Cited 0 times
- Supreme Court of Minnesota | Friday, April 30, 1976 | Cited 0 times
- Supreme Court of Minnesota | Friday, December 5, 1975 | Cited 0 times
- South Dakota Supreme Court | Friday, December 31, 1976 | Cited 0 times
- North Dakota Supreme Court | Wednesday, January 17, 1979 | Cited 0 times
- Supreme Court of the United States | Monday, May 12, 1975 | Cited 0 times
- Court of Appeals of Washington | Thursday, October 4, 1973 | Cited 0 times