- Supreme Court of the United States | Wednesday, May 15, 1974 | Cited 0 times
- Supreme Court of Iowa | Wednesday, January 17, 1973 | Cited 0 times
- North Dakota Supreme Court | Monday, April 3, 1978 | Cited 0 times
- North Dakota Supreme Court | Monday, December 19, 1977 | Cited 0 times
- Supreme Court of Minnesota | Friday, May 20, 1977 | Cited 0 times