Woodburn v. Pennsylvania R. R. Co. , 294 Pa. 174 ( 1928 )
Volmer v. John Hancock Mutual Life Insurance , 1931 Pa. Super. LEXIS 300 ( 1930 )
Bertolet v. Lanard , 135 Pa. Super. 245 ( 1938 )
Helmig v. Rockwell Manufacturing Co. , 389 Pa. 21 ( 1957 )