- California Supreme Court | Thursday, January 17, 1963 | Cited 0 times
- Supreme Court of Colorado | Monday, September 20, 1965 | Cited 0 times
- Supreme Court of Colorado | Monday, August 10, 1970 | Cited 0 times
- Supreme Court of Colorado | Monday, December 24, 1973 | Cited 0 times
- Supreme Court of Minnesota | Friday, August 31, 1990 | Cited 0 times
- Supreme Court of Colorado | Monday, April 24, 1995 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, December 21, 1993 | Cited 0 times