1943 - Internal museum documents Itinerary of the touring exhibition Picasso: Forty Years of His Art and its adaptations from 1940 to 1943
New York, 4 May 1950 - Institutional correspondence Joseph Schwartz's letter to the Museum of Modern Art, New York
New York, 3 January 1950 - Institutional correspondence Alfred H. Barr Jr.'s letter to Robert Goldwate
26 July 1943 - Press release and communication Picasso's huge mural of the destruction of Guernica by bombing shown at the Museum of Modern Art, New York