John Benkart & Sons Co. v. Pennsylvania Public Utility Commission , 137 Pa. Super. 13 ( 1939 )
Alko Express Lines v. Pennsylvania Public Utility Commission , 152 Pa. Super. 27 ( 1942 )
Cole v. Pennsylvania Public Utility Commission , 146 Pa. Super. 257 ( 1941 )
Ohio Bell Telephone Co. v. Public Utilities Commission , 57 S. Ct. 724 ( 1937 )