Paris, 14 October 1955 - Institutional correspondence A letter from the Société de la Propriété Artistique et des Dessins et Modèles (S.P.A.D.E.M.) to the Musée des Arts Décoratifs
Amsterdam, 19 June 1956 - Internal museum documents History, chronology of Picasso and a report on Rodin's exhibition project
Amsterdam, 1956 - Internal museum documents A checklist for the Guernica studies, insurance costs and notes.
Amsterdam, 1956 - Internal museum documents A packing list of studies for Guernica with titles and measurements