Renshaw v. Gans , 7 Pa. 117 ( 1847 )
Rearich v. Swinehart , 11 Pa. 233 ( 1849 )
Lippincott v. Whitman , 83 Pa. 244 ( 1877 )
Clinch Valley Coal & Iron Co. ex rel. Grove v. Willing , 180 Pa. 165 ( 1897 )