- Supreme Court of the United States | Monday, June 1, 1970 | Cited 0 times
- Court of Appeals for the Fourth Circuit | Wednesday, October 15, 1975 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Wednesday, June 3, 1981 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Thursday, August 6, 1981 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Wednesday, February 14, 1968 | Cited 0 times