McMullan v. WOHLGEMUTH , 453 Pa. 147 ( 1973 )
Uniontown Newspapers, Inc. v. Roberts , 576 Pa. 231 ( 2003 )
TIMES PUB. CO., INC. v. Michel , 159 Pa. Commw. 398 ( 1993 )
Gravel v. United States , 92 S. Ct. 2614 ( 1972 )