Treaties and Executive Agreements: Hearings Before a Subcommittee of the Committee on the Judiciary, United States Senate, Eighty-third Congress, First Session, on S.J. Res. 1, Proposing an Amendment to the Constitution of the United States Relative to the Making of Treaties and Executive Agreements and S.J. Res. 43 Proposing an Amendment to the Constitution of the United States, Relating to the Legal Effect of Certain Treaties