Elkins's Estate , 325 Pa. 373 ( 1936 )
First Pool Gas Coal Co. v. Wheeler Run Coal Co. , 301 Pa. 485 ( 1930 )
Ross v. Suburban Counties Realty Corp. , 356 Pa. 126 ( 1947 )
Johnson v. Hobensack , 318 Pa. 305 ( 1935 )