- Supreme Court of Colorado | Monday, January 6, 1975 | Cited 0 times
- Supreme Court of Colorado | Monday, November 12, 1973 | Cited 0 times
- Colorado Court of Appeals | Tuesday, October 11, 1977 | Cited 0 times
- Supreme Court of the United States | Monday, May 18, 1970 | Cited 0 times
- District Court, N.D. Illinois | Thursday, July 5, 1990 | Cited 0 times