Javier Tusell, Artistic Heritage, Archives and Museums from Spain's Ministry of Culture, writes to Jacqueline Picasso, the painter's widow, to thank her for her willingness to receive the ambassador Rafael Fernández Quintanilla and asking her to contact the Museum of Modern Art in New York to confirm her stance.

Reference in the source Archive:
FC-Mº_CULTURA, 6, n. 30

España. Ministerio de Educación, Cultura y Deporte. Archivo Histórico Nacional

Javier Tusell's letter to Jacqueline Picasso