- Court of Appeals for the Eighth Circuit | Wednesday, January 9, 1980 | Cited 0 times
- Supreme Court of the United States | Wednesday, June 25, 1980 | Cited 0 times
- Supreme Court of the United States | Monday, June 30, 1980 | Cited 0 times
- Supreme Court of the United States | Wednesday, September 17, 1980 | Cited 0 times