Four addresses by Fernando de los Ríos, the first, before the National Press Club in Washington, D. C., on October 29, 1936; the second, before the Council on Foreign Relations on November 5; the third, before the New School for Social Research on November 30; and the last over one of the networks of the N. B. C. on December 30, 1936.
Reproduction of original in the University of California, San Diego Library.