Paris, 29 May 1947 - Institutional correspondence Daniel-Henry Kahnweiler's letter to Alfred H. Barr Jr., dated 29 May 1947
Paris, 10 February 1955 - Institutional correspondence Daniel-Henry Kahnweiler's letter to Alfred H. Barr Jr., dated 10 February 1955
Paris, 17 April 1957 - Institutional correspondence A telegram from Daniel-Henry Kahnweiler to Alfred H. Barr Jr.
Paris, 27 February 1958 - Institutional correspondence Daniel-Henry Kahnweiler's letter to Alfred H. Barr Jr., dated 27 February 1958
Paris, April 20, 1967 - Letter Daniel-Henry Kahnweiler's letter to Alfred H. Barr Jr., dated 20 April 1967