New York, 1940–1941 - Internal museum documents Installation list and checklist for Picasso: Forty Years of His Art (second edition)
New York, 1940–1941 - Internal museum documents Packing instructions for the exhibition Picasso: Forty Years of His Art (second edition)
Cambridge, Massachusetts. 29 January 1940 - Institutional correspondence A letter from Paul Sachs to Alfred H. Barr Jr.
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
11 January 1940 - Press release and communication Large attendance at Picasso exhibition causes remodelling of Museum of Modern Art and forces it to remain open evenings