- Supreme Court of the United States | Tuesday, May 26, 2009 | Cited 0 times
- Nebraska Supreme Court | Friday, July 18, 2008 | Cited 0 times
- Supreme Court of the United States | Monday, June 22, 1981 | Cited 0 times
- Supreme Court of the United States | Monday, June 13, 1966 | Cited 0 times
- Supreme Court of the United States | Monday, June 25, 1984 | Cited 0 times