1955 - Insurance documents The insurance contract and list of prices for the works insured and sent to the Musée des Arts Décoratifs, Paris
Prague, 14 November 1947 - Institutional correspondence A letter from J. Groham and T. Madden to Pablo Picasso
September, 1981 - Management of reproduction rights Memorandum of understanding between the Museum of Modern Art, New York, and Undersigned