- Pennsylvania Supreme Court | Friday, December 23, 1983 | Cited 4 times
- Pennsylvania Supreme Court | Wednesday, June 27, 1951 | Cited 3 times
- Pennsylvania Superior Court | Thursday, January 30, 2003 | Cited 4 times
- Pennsylvania Supreme Court | Monday, May 24, 1948 | Cited 3 times
- Pennsylvania Superior Court | Wednesday, April 23, 1947 | Cited 3 times