- Court of Appeals for the Seventh Circuit | Monday, April 23, 1979 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Friday, June 28, 1968 | Cited 0 times
- Supreme Court of Minnesota | Friday, May 4, 1979 | Cited 0 times
- Supreme Court of Minnesota | Friday, January 9, 1981 | Cited 0 times