City of Pittsburgh v. Pennsylvania Public Utility Commission , 171 Pa. Super. 187 ( 1952 )
Mississippi Valley Barge Line Co. v. United States , 54 S. Ct. 692 ( 1934 )
Madison Bus Co. v. Public Service Commission , 264 Wis. 12 ( 1953 )
Ayrshire Collieries Corp. v. United States , 69 S. Ct. 278 ( 1949 )
Permian Basin Area Rate Cases , 88 S. Ct. 1344 ( 1968 )