Flushing, New York, 23 May 1939 - Institutional correspondence Simon Guggenheim's and Dana C. Backus's form letter to ask for donations
New York, 25 May 1939 - Institutional correspondence Sidney Janis's letter to the Motion Pictures Artists' Committee
New York, 10 June 1939 - Institutional correspondence Evelyn Ahrend's letter to Marcelene Peterson, dated 10 June 1939
New York, 4 August 1939 - Institutional correspondence Sidney Janis's telegram to the FIne Arts Gallery of San Diego
San Francisco, 1939 - Photograph Views of the installation of the exhibition Picasso's Guernica at the San Francisco Museum of Modern Art
São Paulo, 4 March 1953 - Institutional correspondence Arturo Profili's letter to Paulo E. de Berrêdo Carneiro, dated 4 March 1953
New York, 15 June 1953 - Institutional correspondence Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 15 June 1953
São Paulo, 1953 - Institutional correspondence A letter from Paulo E. de Berrêdo Carneiro to Francisco Matarazzo Sobrinho
São Paulo, 28 January 1953 - Institutional correspondence A letter from Maria Martins to Francisco Matarazzo Sobrinho
São Paulo, 11 March 1953 - Institutional correspondence A letter from Paulo E. de Berrêdo Carneiro, dated 11 March 1953
São Paulo, 11 March 1953 - Personal correspondence A letter from Paulo E. de Berrêdo Carneiro, dated 11 March 1953
Paris, 9 June 1953 - Institutional correspondence Maurice Jardot's letter to Francisco Matarazzo Sobrinho
New York, 15 June 1953 - Institutional correspondence Alfred H. Barr Jr.'s letter to Maurice Jardot, dated 15 June 1953
New York, 15 June 1953 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 15 June 1953
New York, 15 June 1953 - Institutional correspondence Alfred H. Barr Jr.'s letter to Paulo E. de Berrêdo Carneiro
São Paulo, 19 June 1953 - Institutional correspondence Paulo E. de Berrêdo Carneiro's letter to Arturo Profili
São Paulo, 3 August 1953 - Institutional correspondence Arturo Profili's letter to Paulo E. de Berrêdo Carneiro, dated 3 August 1953
Paris, 28 October 1953 - Institutional correspondence Maria Oliva Fraga's letter to Arturo Profili, dated 28 October 1953
Paris, 5 November 1953 - Institutional correspondence Maria Oliva Fraga's letter to Arturo Profili, dated 5 November 1953
Paris, 4 December 1953 - Personal correspondence Daniel-Henry Kahnweiler's letter to Pablo Picasso, dated 4 December 1953
São Paulo, 28 December 1953 - Institutional correspondence Francisco Matarazzo Sobrinho's letter to Daniel-Henry Kahnweiler
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
São Paulo, 4 February 1954 - Institutional correspondence Francisco Matarazzo Sobrinho's letter to Pablo Picasso, dated 4 February 1954
Madrid, 5 November 1980 - Institutional correspondence A letter from Íñigo Cavero to Blanche de Philip P. Weisberg (Blanche Mahler)