Madrid, 4 February 1988 - Internal institutional documents Reply from Spain's Ministry of Culture regarding the questions put forward by Andrés Ollero in the Congress of Deputies
New York, 8 May 1968 - Institutional correspondence Antonio Serrano's letter to Fernando María Castiella
Report, La Sexta Noticias, January 21, 2016 - News programme “Declarados culpables de fiasco económico los gestores de la ‘Bienal de arte’ de Sevilla” (The managers of the Art Biennial of Seville found guilty of a “financial fiasco”)