- Supreme Court of Colorado | Monday, January 14, 1974 | Cited 0 times
- Nebraska Supreme Court | Friday, August 4, 1972 | Cited 0 times
- Court of Appeals for the Tenth Circuit | Friday, September 17, 1976 | Cited 0 times
- Nebraska Supreme Court | Friday, August 14, 1987 | Cited 0 times
- Nebraska Supreme Court | Wednesday, October 12, 1977 | Cited 0 times
- Nebraska Supreme Court | Friday, March 29, 1991 | Cited 0 times