Flushing, New York, 23 May 1939 - Institutional correspondence Simon Guggenheim's and Dana C. Backus's form letter to ask for donations
New York, 25 May 1939 - Institutional correspondence Sidney Janis's letter to the Motion Pictures Artists' Committee
New York, 10 June 1939 - Institutional correspondence Evelyn Ahrend's letter to Marcelene Peterson, dated 10 June 1939
Toronto, 21 July 1939 - Institutional correspondence Phyllis Lane's letter to Evelyn Ahrend, dated 21 July 1939
New York, 4 August 1939 - Institutional correspondence Sidney Janis's telegram to the FIne Arts Gallery of San Diego
3 April 1939 - Minutes Minutes from a meeting of the Executive Committee of the Spanish Intellectual Aid, dated 3 April 1939
San Francisco, 1939 - Photograph Views of the installation of the exhibition Picasso's Guernica at the San Francisco Museum of Modern Art
September, 1939 - Leaflet Programme of activities carried out inside the framework of the exhibition Guernica and 59 Preparatory Studies at the San Francisco Museum of Art
ca. 1981 - Manuscript Comments on the declarations of Blanche Mahler regarding the arrival of Guernica to New York
8 July 1937 - Institutional correspondence Paul P. Rogers' letter to the North American Committee to Aid Spanish Democracy
New York, 5 November 1938 - Institutional correspondence Herman F. Reissig's letter to Julius Perlstein