Peñaranda de Bracamonte, Salamanca, 2013 - Photograph Exhibition Guernica espitirual, by Félix Orgaz Botejara, Centro de Desarrollo Sociocultural (Fundación Germán Sánchez Ruipérez)
Paris, 6 September 1939 - Institutional correspondence Christian Zervos's letter to Alfred H. Barr Jr., dated 6 September 1939
Paris, 27 December 1939 - Institutional correspondence Christian Zervos's letter to Alfred H. Barr Jr., dated 27 December 1939
Paris, 26 October 1939 - Institutional correspondence Christian Zervos's letter to Alfred H. Barr Jr., dated 26 October 1939