New York, 16 September 1957 - Institutional correspondence A letter from Monroe Wheeler to Katharine Kuh
New York, 10 July 1939 - Institutional correspondence Blanche Mahler's letter to Grace L. McCann Morley
New York, 9 September 1939 - Institutional correspondence John Sherman's letter to Marcelene Peterson
2 May 1939 - Internal institutional documents A draft text for the invitation to the exhibition Picasso's Guernica at the Valentine Gallery, New York
New York, 6 September 1966 - Institutional correspondence Monroe Wheeler's letter to Alfred H. Barr Jr.
New York, 6 December 1957 - Institutional correspondence Monroe Wheeler's letter to Dorothy Miller and Alfred H. Barr Jr.