Pars, 9 February 1955 - Institutional correspondence Pablo Picasso's letter to Alfred H. Barr Jr., dated 9 February 1955
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