New York, 1978 - Internal museum documents An internal letter on the departure of Guernica from the Museum of Modern Art, New York
15 September 1960 - Internal museum documents A cheque for Pablo Picasso in payment for the reproductions of Guernica and Three Musicians
16 September 1960 - Internal museum documents A letter from Betsy Jones to Alfred H. Barr Jr., dated 16 September 1960
New York, 30 September 1978 - Internal museum documents A letter featuring Roland Dumas's statements about Guernica
