- Court of Appeals for the Eighth Circuit | Friday, July 12, 1968 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Friday, February 28, 1969 | Cited 0 times
- Supreme Court of the United States | Tuesday, August 5, 1969 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Thursday, April 13, 1967 | Cited 0 times
- Nebraska Supreme Court | Friday, April 28, 1967 | Cited 0 times