- Supreme Court of Pennsylvania | Thursday, November 12, 1970 | Cited 0 times
- United States Tax Court | Thursday, January 5, 1995 | Cited 0 times
- United States Tax Court | Thursday, January 12, 1978 | Cited 0 times
- United States Tax Court | Monday, July 19, 1993 | Cited 0 times
- United States Tax Court | Thursday, July 17, 1980 | Cited 0 times
- Court of Appeals for the Third Circuit | Wednesday, June 20, 1979 | Cited 0 times