"Papers ... first presented at a conference in April 1975 in San Antonio. "I. The culture of the border. The cultural roots of the border : and archaeologists view / Ignacio Bernal -- The borderlands : ideas on a leafless landscape / Joe B. Frantz -- The culture of the frontier : the Mexican side / Carlos Monsiva?is -- The problem of identity in a changing culture : popular expressions of culture conflict along the lower Ri?o Grande border / Ame?rico Paredes -- II. The politics of the border. Regional political processes and Mexican politics on the border / Antonio Ugalde -- The politics of the Texas border : an historical overview and some contemporary directions / Armando Gutie?rrez -- III. The economics of the border. Economic importance of Mexico's northern border region / Vi?ctor Urquidi and Sofi?a Me?ndez Villarreal -- Economic factors influencing the international migration of workers / F. Ray Marshall -- IV. The migrants of the border. Commodity migrants : structural analysis of Mexican immigration to the United States / Jorge A. Bustamante -- Labor market aspects of Mexican migration to the United States in the 1970s / Vernon M. Briggs, Jr. -- Foreign policy aspects of the border / Tad Szulc -- V. Health along the border. Considerations on the health status along Mexico's northern border / Ricardo Loewe Reiss -- Physical health status and health care utilization in the Texas borderlands / Charles H. Teller -- VI. The individual and social psychology of the borderland population. Mexicans and Americans : two worlds, one border ... and one observer / Rogelio Di?az-Guerrero -- Personality development and mental health of people in the border states / Wayne H. Holtzman -- VIII. The ecology of the border region. Ecology of the border region / J. Alberto Villasana Lyon -- Environmental management : a basis for equitable resource allocation / Arthur W. Busch -- Appendix I : Commentaries. Introduction / Stanley R. Ross -- Culture of the frontier / Josefina Zoraida Va?zquez -- The politics of the Mexican-United States border / Rudolph Gomez -- The problems of migration : a North American view / Arthur J. Rubel -- The problems of migration : a Mexican view / Mercedes Carreras de Velasco -- Economic factors and considerations / Eliseo Mendoza Berrueto -- A Mestizo world view and the psychodynamics of Mexican-American border populations / Manuel Rami?rez III -- Health of the border / Robert Oseasohn -- The ecology of the border / Humberto Bravo Alvarez.