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
London, 2010 - Exhibition catalogue Installation catalogue The Nature of the Beast, Whitechapel Art Gallery
Whitechapel Gallery, London, April 5, 2009 – April 18, 2010 - Exhibition Installation The Nature of the Beast, Whitechapel Art Gallery