Madrid, 2 December 1975 and Berkeley, California, 8 January 1976 - Institutional correspondence A letter from José Mario Armero to Herschel B. Chip, with reply
<em>Parabólica Magazine</em>, Seville, special number, November 2004 - Magazine “A propósito de la BIACS: políticas culturales” (“About BIACS: Cultural Policies”)