- North Dakota Supreme Court | Friday, August 30, 1957 | Cited 0 times
- Supreme Court of Minnesota | Friday, February 14, 1964 | Cited 0 times
- North Dakota Supreme Court | Thursday, December 23, 1965 | Cited 0 times
- North Dakota Supreme Court | Thursday, March 30, 1972 | Cited 0 times
- North Dakota Supreme Court | Friday, July 13, 1956 | Cited 0 times
- District Court, W.D. Pennsylvania | Thursday, November 4, 1971 | Cited 0 times
- Court of Chancery of Delaware | Wednesday, September 8, 1971 | Cited 0 times
- Supreme Court of the United States | Monday, May 24, 1971 | Cited 0 times