Kingan v. Duquesne Light Co. , 287 Pa. 280 ( 1926 )
Knopf v. Delaware County , 292 Pa. 237 ( 1928 )
Anderson v. London Guarantee & Accident Co. , 295 Pa. 368 ( 1929 )
Foley v. the Pittsburgh-Des Moines Co. , 363 Pa. 1 ( 1949 )