Montecarlo, 24 August 1979 - Institutional correspondence Letter from Douglas Cooper to Evelio Verdera
Sao Paulo, 25 March 1985 and Madrid, 2 April 1985 - Institutional correspondence The loan of Guernica denied for Brazil exhibition
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