- Supreme Court of Minnesota | Friday, May 21, 1982 | Cited 0 times
- Supreme Court of the United States | Monday, March 4, 1985 | Cited 0 times
- Supreme Court of Minnesota | Friday, August 16, 1963 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Wednesday, April 26, 1967 | Cited 0 times