- Supreme Court of Minnesota | Friday, January 18, 1991 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Friday, November 4, 2005 | Cited 0 times
- Supreme Court of the United States | Friday, August 22, 1980 | Cited 0 times
- Supreme Court of the United States | Monday, April 5, 1982 | Cited 0 times
- Supreme Court of the United States | Monday, June 22, 1992 | Cited 0 times