- Court of Appeals for the Seventh Circuit | Wednesday, April 11, 1973 | Cited 0 times
- Court of Appeals for the Seventh Circuit | Monday, July 6, 1970 | Cited 0 times
- Court of Appeals for the Tenth Circuit | Wednesday, July 17, 1985 | Cited 0 times
- Supreme Court of the United States | Monday, June 3, 1968 | Cited 0 times