- Supreme Court of Iowa | Wednesday, June 28, 1978 | Cited 0 times
- Supreme Court of Minnesota | Friday, June 11, 1982 | Cited 0 times
- Supreme Court of Minnesota | Friday, December 4, 1981 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, August 21, 1990 | Cited 0 times
- Supreme Court of Minnesota | Friday, July 22, 1988 | Cited 0 times