Helitski v. Glen Alden Coal Co. , 1928 Pa. Super. LEXIS 309 ( 1928 )
Muchnick v. Susquehanna Waist Co. , 124 Pa. Super. 194 ( 1936 )
Walsh v. Glen Alden Coal Co. , 1930 Pa. Super. LEXIS 267 ( 1930 )