"Options for Liberalizing U.S.-Mexico Trade and Investment," Mexico-U.S. Drafting Committee, Cesareo Frias, Charles Barber, Fausto Miranda, Robert Herzstein:

"Options for Liberalizing U.S.-Mexico Trade and Investment," Mexico-U.S. Drafting Committee, Cesareo Frias, Charles Barber, Fausto Miranda, Robert Herzstein:, Box: 11. Guy F. Erb Records of the Mexico-U.S. Business Committee and Related Materials, 2004-54. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/450694 Accessed September 25, 2026.