Justino de Azcárate, chairman of the Museo del Prado's Royal Board of Trustees, writes to Carmen Crespo, director of the National Historical Archive, to request a copy of the documents entrusted by Javier Tusell to the archive with respect to the legal terms stipulating the ownership of the drawings and preparatory studies accompanying Picasso's Guernica.

Reference in the source Archive:
Caja : 205 / Legajo: 11.146 / Nº Exp: 5 / Nº Doc: 1
Letter from Justino Azcárate to Carmen Crespo