New York, 30 August 1979 - Institutional correspondence A letter from Ethen Shein to Richard E. Oldenburg
27 March 1940 - Internal museum documents Circulating exhibition contract for Picasso: Forty Years of His Art, between the Museum of Modern Art, New York, and the Institute of Modern Art, Boston
London, 7 March 1958 - Management of reproduction rights A letter from Diana K. Watson to Richard Griffith