Bonn, 16 February 1956 - Institutional correspondence Antonio Mª Aguirre's letter to Alberto Martín-Artajo Álvarez
Brussels, 14 May 1956 - Institutional correspondence A letter from the Spanish ambassador in Belgium to Alberto Martín-Artajo Álvarez
New York: Women Artists in Revolution (W.A.R.), 1971 - Photocopied documents A Documentary Herstory of Women Artists in Revolution