Westinghouse Air Brake Co. v. Pittsburgh , 316 Pa. 372 ( 1934 )
Payne v. East Liberty Spear Co. , 323 Pa. 100 ( 1936 )
Pagni v. Commonwealth , 179 Pa. Super. 213 ( 1955 )
Billard v. Honesdale Bor. , 135 Pa. Super. 206 ( 1939 )