Lehigh Valley Coal Co. v. Coxe Bros. & Co. , 327 Pa. 23 ( 1937 )
Lancaster Transportation Co. v. New York & New Brunswick Auto Express Co. , 187 Pa. Super. 621 ( 1958 )
Muir v. Thompson Coal Co. , 209 Pa. Super. 432 ( 1967 )
Greenough v. Colonial Colliery Co. , 132 Pa. Super. 270 ( 1938 )