303 U.S. 206 303 U.S. 206 58 S.Ct. 528 62 L.Ed. 751 SOUTHWESTERN BELL TELEPHONE CO.v.STATE OF OKLAHOMA et al. No. 560. Argued Feb. 7, 1938. Decided Feb. 28, 1938. Mr. Mac Q. Williamson, of Oklahoma City, Okl., for the motion. Messrs. Erwin W. Clausen of St. Louis, Mo., and Jacob R. Spielman, of Oklahoma […]