São Paulo, 14 February 1954 - Institutional correspondence Francisco Matarazzo Sobrinho's letter to Pablo Picasso, dated 14 February 1954
1954 - Internal museum documents Instructions for packing Guernica by the Museum of Modern Art, New York
1981 - Photograph Photographs showing Guernica being dismounted in the Museum of Modern Art, New York, to be later transported to Madrid
São Paulo, 26 December 1952 - Institutional correspondence Francisco Matarazzo Sobrinho's letter to Pablo Picasso, dated 26 December 1952