- Supreme Court of Pennsylvania | Friday, October 9, 1970 | Cited 0 times
- Supreme Court of Pennsylvania | Monday, March 20, 1972 | Cited 0 times
- Supreme Court of the United States | Monday, June 17, 1968 | Cited 0 times
- Supreme Court of the United States | Tuesday, March 21, 1972 | Cited 0 times