Madrid, 17 December 1936 - Institutional correspondence Antonio Rodríguez Morey's, Manuel Azaña's and Jesús Hernández Tomás's letter to Pablo Picasso
Paris, 5 July 1955 - Institutional correspondence A letter from François Mathey to the director of the Gesellschaft der Freunde junger Kunst Baden-Baden
1955 - Internal museum documents A list of Picasso's works, compiled at his house on rue des Grands-Augustins, Paris
3 June 1955 - Internal museum documents A list with three Picasso works for the exhibition at the Musée des Arts Décoratifs
Old Westbury, New York, 4 May 1977 - Institutional correspondence Emilia Doyaga's letter to Nelson Rockefeller
Madrid, 26 September 1936 - Internal institutional documents Certificate of appointment for Pablo Picasso as director of the Museo Nacional del Prado