ca. 1941–1942 - Internal museum documents List of dates and centres for the circulating exhibition Picasso: Epochs in His Art
1943 - Internal museum documents Itinerary of the touring exhibition Picasso: Forty Years of His Art and its adaptations from 1940 to 1943
ca. 1952–1956 - Internal museum documents List of museums and dates for the exhibition Studies for Guernica
New York, 1978 - Internal museum documents An internal letter on the departure of Guernica from the Museum of Modern Art, New York
New York, 20 July 1979 - Press release and communication A communiqué from the Museum of Modern Art, New York, about moving Guernica
New York, 1940–1941 - Internal museum documents Installation list and checklist for Picasso: Forty Years of His Art (second edition)
1954 - Internal museum documents Instructions for packing Guernica by the Museum of Modern Art, New York
4 May 1955 - Internal museum documents A contract and works loaned from the Museum of Modern Art, New York, for the exhibition at the Musée des Arts Décoratifs, Paris
Amsterdam, 1956 - Internal museum documents A checklist for the Guernica studies, insurance costs and notes.
Stockholm, 7 June 1956 - Institutional correspondence Bo Wennberg's letter to Willem Sandberg, dated 7 June 1956
Stockholm, 11 September 1956 - Institutional correspondence Bo Wennberg's letter to the Stedelijk Museum
Stockholm, 23 October 1956 - Institutional correspondence A letter from Bo Wennberg and K. G. Hulten to Pablo Picasso
Stockholm, 6 May 1956 - Institutional correspondence Bo Wennberg's letter to Willem Sandberg, dated 6 May 1956
Stockholm, 20 September 1956 - Institutional correspondence Bo Wennberg's letter to Willem Sandberg, dated 20 September 1956
Amsterdam, 24 September 1956 - Institutional correspondence Willem Sandberg's letter to Bo Wennberg, dated 24 September 1956
Stockholm, 1 October 1956 - Institutional correspondence Bo Wennberg's letter to Willem Sandberg, dated 1 October 1956
Stockholm, 10 October 1956 - Institutional correspondence Bo Wennberg's letter to Willem Sandberg, dated 10 October 1956
Stockholm, 1 October 1956 - Institutional correspondence Bo Wennberg's letter to Willem Sandberg, dated 1 October 1956 (copy)
Stockholm, 7 December 1956 - Institutional correspondence Bo Wennberg's letter to Willem Sandberg, dated 7 December 1956