- Court of Appeals for the Eighth Circuit | Friday, November 12, 1971 | Cited 0 times
- Nebraska Supreme Court | Friday, June 15, 1956 | Cited 0 times
- Supreme Court of the United States | Monday, June 9, 1980 | Cited 0 times
- Supreme Court of the United States | Monday, March 2, 1970 | Cited 0 times