- Supreme Court of Minnesota | Friday, September 12, 1980 | Cited 0 times
- Supreme Court of Minnesota | Friday, August 6, 1982 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Tuesday, July 25, 1978 | Cited 0 times
- Supreme Court of Minnesota | Friday, August 29, 1980 | Cited 0 times
- Supreme Court of the United States | Monday, March 23, 1981 | Cited 0 times