- Supreme Court of the United States | Monday, June 23, 1980 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Wednesday, July 7, 1971 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Thursday, September 8, 1977 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Thursday, August 24, 1978 | Cited 0 times
- Supreme Court of the United States | Monday, May 14, 1973 | Cited 0 times
- Supreme Court of the United States | Wednesday, March 4, 1981 | Cited 0 times