Skelly Oil Co. v. Phillips Petroleum Co. , 70 S. Ct. 876 ( 1950 )
Port of Boston Marine Terminal Assn. v. Rederiaktiebolaget Transatlantic , 91 S. Ct. 203 ( 1970 )
World Airways, Inc. v. Pan American World Airways, Inc. , 88 S. Ct. 1715 ( 1968 )