Ashby v. Philadelphia Electric Co. , 328 Pa. 474 ( 1937 )
Gerdes v. Booth & Flinn, Ltd. , 300 Pa. 586 ( 1930 )
McKenna v. Martin & William H. Nixon Paper Co. , 176 Pa. 306 ( 1896 )
Bruggeman v. City of York , 259 Pa. 94 ( 1917 )