New York, 9 September 1981 - Institutional correspondence An internal letter from Richard E. Oldenburg to staff at the Museum of Modern Art, New York
Paris, 10 February 1955 - Institutional correspondence Daniel-Henry Kahnweiler's letter to Alfred H. Barr Jr., dated 10 February 1955
March, 1955 - Internal museum documents Annotation on the exhibit label for the exhibition Picasso: 12 Masterworks
New York, 8 April 1981 - Press release and communication A press release from New York's Museum of Modern Art concerning a Spanish delegation's request to send Guernica to Spain
New York, 16 October 1981 - Institutional correspondence John Koegel's letter to Javier Tusell, dated 16 October 1981
New York, 16 October 1981 - Institutional correspondence John Koegel's letter to Javier Tusell, dated 16 October 1981
New York, 16 October 1981 - Institutional correspondence John Koegel's letter to Javier Tusell, dated 16 October 1981
30 October 1981 - Institutional correspondence John Koegel's letter to Richard E. Oldenburg, dated 30 October 1981
New York, 9 September 1981 - Press release and communication A press release from the Museum of Modern Art, New York, on the transfer day of Guernica
9 September 1981 - Internal museum documents Internal communiqué from Richard Oldenburg, director of the Museum of Modern Art, New York, on the departure of Guernica
New York, 8 September 1981 - Photograph The Museum staff before Pablo Picasso's Guernica' prior to its shipment to Spain
ca. 1981 - Newspapers The Guernica Imbroglio. Al international Tug-of-War over Picasso's Protest Painting
New York, 13 July 1955 - Internal museum documents Internal letter from the Museum of Modern Art, New York, to William Lieberman
16 March 1955 - Press release and communication Press release on a special exhibition featuring 12 of Picasso’s masterpieces in New York’s Museum of Modern Art in 1955
New York, 10 August 1981 - Institutional correspondence A letter from Eloise Ricciardelli to Sharon Zane
New York, 23 March 1981 - Internal museum documents An internal letter from New York's Museum of Modern Art on the 1974 attack on Guernica