- Court of Appeals for the Seventh Circuit | Wednesday, February 7, 1968 | Cited 0 times
- Court of Appeals for the Sixth Circuit | Friday, February 16, 1968 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Monday, February 25, 1974 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Thursday, October 9, 1975 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Thursday, May 17, 1979 | Cited 0 times
- Supreme Court of Colorado | Monday, July 11, 1988 | Cited 0 times