1. Commercial policy series. 206. Discussion guide issues [in United States foreign policy]: 6, Liberal trade v. protectionism. Bookmark Corporate/Agency Authors: State Department Publisher: State Department Date: [1971.] SuDoc number: S 1.37:206-2
2. Commercial policy series. 206. Issues in United States foreign policy: 6, Liberal trade v. protectionism; [John Clark Kimball, editor]. Bookmark Corporate/Agency Authors: State Department Publisher: State Department Date: [Jan. 1971.] SuDoc number: S 1.37:206