Sariñena (Huesca), 18 September 1936 - Institutional correspondence A letter from Francisco Ruiz (Jean Aaron) to Pablo Picasso
August-September 1990 - Institutional correspondence Correspondence on an exhibition project in Hiroshima
<em>The New York Review of Books</em>, New York, May 6, 1971 - Article “Judgment Deferred on Lieutenant Calley”