Convention with Mexico for solution of the problem of the Chamizal : hearings before the Committee on Foreign Relations, United States Senate, Eighty-eighth Congress, first session, on Executive N, 88th Congress, 1st session, the convention between the United States of America and the United Mexican States, for the solution of the problem of the Chamizal, signed at Mexico City on August 29, 1963, by the respective plenipotentiaries of the two countries. December 12 and 13, 1963. (U.S. Govt. Print. Off,, 1963)