- Supreme Court of Colorado | Friday, February 14, 1969 | Cited 0 times
- Supreme Court of Pennsylvania | Wednesday, May 27, 1970 | Cited 0 times
- Supreme Court of Virginia | Monday, December 1, 1969 | Cited 0 times
- Supreme Court of Pennsylvania | Friday, May 20, 1988 | Cited 0 times
- Supreme Court of Pennsylvania | Wednesday, July 21, 1999 | Cited 0 times