- Supreme Court of Minnesota | Friday, August 28, 1981 | Cited 0 times
- Court of Appeals of Minnesota | Wednesday, February 1, 1984 | Cited 0 times
- Court of Appeals of Iowa | Tuesday, September 25, 1984 | Cited 0 times
- Supreme Court of Minnesota | Friday, April 13, 1984 | Cited 0 times
- Wisconsin Supreme Court | Tuesday, January 3, 1978 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, April 16, 1985 | Cited 0 times