- Court of Appeals of Minnesota | Tuesday, October 13, 1987 | Cited 0 times
- Supreme Court of the United States | Monday, June 21, 1971 | Cited 0 times
- Supreme Court of the United States | Monday, June 4, 1990 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Wednesday, January 12, 2011 | Cited 0 times