Letter from Secretary of State Dulles to Ambassador Tello re: El Chamizal Tract Building to Expand Facilities for Entry from Mexico at El Paso, May 10, 1958
written by John Foster Dulles, 1888-1959, in General Records of the Department of State, 1763 - 2002 (RG59). Records Relating to the Chamizal Dispute with Mexico, 1947 - 1963 (A1 5145), of United States. National Archives and Records Administration. Federal Records (1958), Box 1, Chamizal 1956- , 2 page(s)