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
Madrid, 22 September 1936 - Institutional correspondence Francisco Sánchez Cantón's telegram to Pablo Picasso
ca. 1952–1956 - Internal museum documents Publicity report for the exhibition Studies for Guernica by Hamline University, addressed to the Travelling Exhibitions Department at the Museum of Modern Art, New York