- Court of Appeals for the Ninth Circuit | Monday, September 27, 1971 | Cited 0 times
- Supreme Court of the United States | Monday, June 10, 1968 | Cited 0 times
- Nebraska Supreme Court | Friday, February 10, 1967 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Friday, May 22, 1970 | Cited 0 times
- Nebraska Supreme Court | Friday, February 28, 1969 | Cited 0 times
- Supreme Court of the United States | Monday, June 12, 1972 | Cited 0 times
- Supreme Court of the United States | Monday, June 30, 1975 | Cited 0 times