- North Dakota Supreme Court | Wednesday, March 27, 1974 | Cited 0 times
- Court of Appeals of Washington | Monday, May 7, 1973 | Cited 0 times
- Supreme Court of Colorado | Monday, June 20, 1983 | Cited 0 times
- North Dakota Supreme Court | Thursday, December 5, 1974 | Cited 0 times
- Supreme Court of Colorado | Monday, February 25, 1974 | Cited 0 times
- California Supreme Court | Thursday, October 22, 1981 | Cited 0 times
- Supreme Court of Oklahoma | Tuesday, September 26, 1972 | Cited 0 times