Barcelona, 2 December 1938 - Institutional correspondence Letter from Manuel Sánchez Arcas to José Prat
November 23 - 24, 2011 - Conferences and articles Timothy J. Clark. Otra mirada al Guernica (Another look at Guernica)
New York, 27 August 1980 - Institutional correspondence A letter from Eleanor L. Saxe to William Rubin, Sharon Zane and others