New York, 20 July 1979 - Press release and communication A communiqué from the Museum of Modern Art, New York, about moving Guernica
New York, April 14, 1967 - Letter Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 14 April 1967
New York, 14 April 1967 - Institutional correspondence Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 14 April 1967
Charlotte, 27 January 1967 - Institutional correspondence Constance H. Nicholson's letter to Carol K. Uht
New York, 30 August 1979 - Institutional correspondence A letter from Ethen Shein to Richard E. Oldenburg
New York, 13 August 1979 - Institutional correspondence Rona K. Roob's letter to Carleton Sprague Smith