Paris, 1 October 1955 - Institutional correspondence J. Malesset's letter to the Musee des Arts Décoratifs
Paris, 17 October 1955 - Institutional correspondence J. Malesset's letter to the Musée des Arts Décoratifs
Barcelona, 2 December 1938 - Institutional correspondence Letter from Manuel Sánchez Arcas to José Prat
Exhibition, MoMA, New York, June 2, 1967 – February 13, 1968 - Photograph View of the exhibition Guernica: Studies and Postscripts