A file which includes different documents on Guernica's transfer to the Museo Reina Sofía, for instance Picasso's typed letter to the Museum of Modern Art in New York, the certificates of the Museo del Prado's Royal Board of Trustees from 22 March 1988, and a report on the legal status of the works making up the Museo Nacional del Prado's collection of 20th-century art, among other documents.

Reference in the source Archive:
Caja : 1527 / Legajo: 19.30 / Nº Exp: 9
Arranging the Collection: The transfer of Pablo Picasso's Guernica to the Centro de Arte Reina Sofía