Vorbnoff v. Mesta Machine Co. , 286 Pa. 199 ( 1926 )
Denne v. Plymouth Coal Mining Co. , 1927 Pa. Super. LEXIS 210 ( 1927 )
Luckenbill v. Philadelphia & Reading Coal & Iron Co. , 1928 Pa. Super. LEXIS 352 ( 1928 )
Kuca v. Lehigh Valley Coal Co. , 268 Pa. 163 ( 1920 )