Stockholm, 1956 - Photograph Photographs of the assembly of the exhibition Guernica, avec 60 études in the Nationalmuseum, Stockholm
Madrid, 11 December 1979 - Institutional correspondence Marcelino Oreja's letter to Manuel Clavero Arévalo
<em>The New York Times</em>, New York, November 11, 1990, 1, 39 - Article “When Picasso Spooked the FBI”