15 January 1940 - Internal museum documents Circulating exhibition contract for Picasso: Forty Years of His Art, between the Museum of Modern Art, New York, and the Minneapolis Institute Of Arts
15 January 1940 - Internal museum documents Circulating exhibition catalogue for Picasso: Forty Years of His Art (second edition), between the Museum of Modern Art, New York, and the Minneapolis Institute of Arts
Princeton, 8 December 1956 - Institutional correspondence A letter from Kazuko Higuchi to Alfred H. Barr Jr.