New York, 27 January 1939 - Institutional correspondence Alfred H. Barr Jr.'s letter to Meric Callery
New York, 12 September 1939 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 12 September 1939
New York, 15 November 1939 - Institutional correspondence Alfred H. Barr Jr.'s telegram to Pablo Picasso, dated 15 November 1939
New York, 25 September 1944 - Institutional correspondence Alfred H. Barr Jr.'s postcard to Pablo Picasso
New York, 31 October 1944 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso
New York, 15 January 1945 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 15 January 1945
New York, 21 May 1947 - Institutional correspondence Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 21 May 1947
New York, 3 December 1948 - Institutional correspondence Alfred H. Barr Jr's letter to Pablo Picasso, dated 3 December 1948
New York, 2 October 1952 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 2 October 1952
New York, 25 October 1945 - Personal correspondence Alfred H. Barr Jr.'s letter to John E. (Dick) Abbott
New York, 31 July 1947 - Personal correspondence Alfred H. Barr Jr's letter to. a Bertha Slattery Lieberman
New York, 3 January 1950 - Institutional correspondence Alfred H. Barr Jr.'s letter to Robert Goldwate
New York, 10 July 1954 - Institutional correspondence A letter from Alfred H. Barr Jr. to René d'Harnoncourt, dated 10 July 1954
New York, 5 May 1955 - Institutional correspondence A letter from Alfred H. Barr Jr. to Pablo Picasso, dated 5 May 1955
Alfred H. Barr Jr. (ed.), exh. cat., New York: MoMA, 1946 - Catalogue Picasso: Fifty Years of His Art
New York, 15 April 1957 - Institutional correspondence Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 15 April 1957
New York, 27 February 1956 - Institutional correspondence Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 27 February 1956
New York, 5 June 1957 - Institutional correspondence Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 5 June 1957
New York, 2 November 1964 - Institutional correspondence Alfred H. Barr Jr.'s letter to the editor of The Art Gallery
New York, 26 April 1962 - Insurance documents Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 26 April 1962
New York, 11 June 1957 - Institutional correspondence Alfred H. Barr Jr.'s letter to René d'Harnoncourt, dated 11 June 1957