New York, 1978 - Internal museum documents An internal letter on the departure of Guernica from the Museum of Modern Art, New York
Old Westbury, New York, 4 May 1977 - Institutional correspondence Emilia Doyaga's letter to Nelson Rockefeller
New York, 26 June 1978 - Institutional correspondence A letter from Judith Cousins to William Burback
New York, 28 April 1977 - Internal institutional documents Conversation between José Mario Armero and William Rubin
New York, 30 September 1978 - Internal museum documents A letter featuring Roland Dumas's statements about Guernica
New York, 7 June 1977 - Institutional correspondence William S. Lieberman's letter to Richard Oldenburg, dated 7 June 1977
New York, 1 June 1977 - Institutional correspondence William S. Lieberman's letter to Richard Oldenburg, dated 1 June 1977
New York, 31 May 1977 - Institutional correspondence William S. Lieberman's letter to Richard Oldenburg, dated 31 May 1977
