12 September 1981 - Newspapers
225 documents have been found dated from 1981.
New York, 9 September 1981 - Institutional correspondence
An internal letter from Richard E. Oldenburg to staff at the Museum of Modern Art, New York
New York, 8 April 1981 - Press release and communication
A press release from New York's Museum of Modern Art concerning a Spanish delegation's request to send Guernica to Spain
New York, 31 August 1981 - Institutional correspondence