New York, 10 June 1939 - Institutional correspondence Evelyn Ahrend's letter to Marcelene Peterson, dated 10 June 1939
New York, 5 June 1939 - Institutional correspondence Evelyn Ahrend's telegram to Marcelene Peterson, dated 5 June 1939
New York, 6 June 1939 - Institutional correspondence Evelyn Ahrend's letter to Charles Goodspeed, dated 6 June 1939
New York, 21 June 1939 - Institutional correspondence Evelyn Ahrend's letter to Charles Goodspeed, dated 21 June 1939
New York, 21 June 1939 - Institutional correspondence Evelyn Ahrend's letter to Grace L. McCann Morley, dated 21 June 1939
New York, 27 June 1939 - Institutional correspondence Telegrama de Evelyn Ahrend a Marcelene Peterson, dated 27 June 1939
New York, 29 June 1939 - Institutional correspondence Evelyn Ahrend's letter to Grace L. McCann Morley, dated 29 June 1939
New York, 10 July 1939 - Institutional correspondence Evelyn Ahrend's letter to Marcelene Peterson, dated 10 July 1939
New York, 24 July 1939 - Institutional correspondence Evelyn Ahrend's letter to Marcelene Peterson, dated 24 July 1939
New York, 26 July 1939 - Institutional correspondence Evelyn Ahrend's letter to Marcelene Peterson, dated 26 July 1939
New York, 8 August 1939 - Institutional correspondence Evelyn Ahrend's letter to Marcelene Peterson, dated 8 August 1939
New York, 9 August 1939 - Institutional correspondence Evelyn Ahrend's letter to Phyllis Lane, dated 9 August 1939
New York, 15 August 1939 - Institutional correspondence Evelyn Ahrend's letter to Phyllis Lane, dated 15 August 1939
New York, 31 August 1939 - Institutional correspondence Evelyn Ahrend's telegram to Marcelene Peterson, dated 31 August 1939
New York, 8 September 1939 - Institutional correspondence Evelyn Ahrend's letter to Grace L. McCann Morley, dated 8 September 1939
New York, 18 September 1939 - Institutional correspondence Evelyn Ahrend's letter to Grace L. McCann Morley, dated 18 September 1939
New York, 9 October 1939 - Institutional correspondence Evelyn Ahrend's letter to Martin North, dated 9 October 1939
New York, 9 December - Institutional correspondence Evelyn Ahrend's letter to the San Francisco Museum of Art
ca. 1952–1956 - Internal museum documents Publicity report for the exhibition Studies for Guernica by the School of Fine and Applied Arts, Columbus, Ohio, addressed to the Travelling Exhibitions Department at the Museum of Modern Art, New York
