- Supreme Court of Minnesota | Friday, November 2, 1973 | Cited 0 times
- Supreme Court of Minnesota | Friday, June 4, 1976 | Cited 0 times
- Supreme Court of Minnesota | Friday, January 21, 1977 | Cited 0 times
- Supreme Court of Minnesota | Friday, January 3, 1975 | Cited 0 times
- California Supreme Court | Monday, December 28, 1970 | Cited 0 times