Madrid, 7 and 19 January 1981 - Institutional correspondence A letter from Enrique Calduch to Javier Tusell
Barcelona, 4 February 1938 - Institutional correspondence Correspondence regarding the organisation of a Picasso exhibition in the USA
Whitechapel Gallery, London, 14 March 2010 - Performance 119-minute circle. The International Congress at the Whitechapel Gallery