Paris, 30 January 1964 - Institutional correspondence A letter from the Committee of the exhibition España Libre (Free Spain) to Pablo Picasso
London, 20 February 1964 - Personal correspondence Roland Penrose's letter to Pablo Picasso, dated 20 February 1964 (2)
20 February 1964 - Personal correspondence Roland Penrose's letter to Pablo Picasso, dated 20 February 1964
New York, 27 May 1964 - Photograph View of the exhibition Painting and Sculpture from the Museum Collection
Photograph View of the exhibition Painting and Sculpture from the Museum Collection, from the series Art in a Changing World: 1884–1964
18 January 1964 - Newspapers Nelson Rockefeller and Aline Saarinen in front of the replica Guernica tapestry
ca. 1960–1964 - Newspapers Press cutting with a photograph of the replica Guernica tapestry and Nelson Rockefeller, along with a brief text on his collection
New York, 2 November 1964 - Institutional correspondence Alfred H. Barr Jr.'s letter to the editor of The Art Gallery
New York, 18 September 1964 - Institutional correspondence A letter from Betsy Jones to Alfred H. Barr Jr., dated 18 September 1964