New York, April 14, 1967 - Letter Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 14 April 1967
New York, 14 April 1967 - Institutional correspondence Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 14 April 1967
New York, 27 February 1970 - Personal correspondence A letter from Meyer Schapiro to Alfred H. Barr Jr.
New York, April 1967 - Petition A request from Angry Arts to support the withdrawal of Guernica from the Museum of Modern Art, New York
Central Park, New York, 1967 - Photograph Vietnam protest rally in Central Park with a banner bearing the image of Guernica
Paris, April 20, 1967 - Letter Daniel-Henry Kahnweiler's letter to Alfred H. Barr Jr., dated 20 April 1967
New York, February 24, 1970 - Letter A letter from Walter Bareiss and Robert Von Berg to Wilder Green
New York, January 22, 1970 - Letter A letter from the Operating Committee of the Museum of Modern Art, New York, to Joan Snyder
Exhibition, MoMA, New York, June 2, 1967 – February 13, 1968 - Photograph View of the exhibition Guernica: Studies and Postscripts