New York, April 14, 1967 - Letter Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 14 April 1967
New York, 15 February 1967 - Management of reproduction rights Pearl L. Moeller's letter to Dorothy C. Miller
New York, 14 April 1967 - Institutional correspondence Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 14 April 1967
New York, April 1967 - Petition A request from Angry Arts to support the withdrawal of Guernica from the Museum of Modern Art, New York
Paris, April 20, 1967 - Letter Daniel-Henry Kahnweiler's letter to Alfred H. Barr Jr., dated 20 April 1967
Exhibition, MoMA, New York, June 2, 1967 – February 13, 1968 - Photograph View of the exhibition Guernica: Studies and Postscripts