Bonn, 16 February 1956 - Institutional correspondence Antonio Mª Aguirre's letter to Alberto Martín-Artajo Álvarez
10 January 1998 - Newspapers Experts from major museums around the world analyse the conservation of "Guernica"
<em>Parabólica Magazine</em>, Seville, special number, November 2004 - Magazine “A propósito de la BIACS: políticas culturales” (“About BIACS: Cultural Policies”)