Constitutional convention procedures : hearing before the Subcommittee on the Constitution of the Committee on the Judiciary, United States Senate, Ninety-sixth Congress, first session, on S. 3, S. 520 and S. 1710, bills to provide procedures for calling constitutional conventions for proposing amendments to the Constitution of the United States, on application of the legislatures of two-thirds of the states, pursuant to Article V of the Constitution. November 29, 1979