New York, 3 December 1957 - Internal museum documents A letter from Dorothy C. Miller to Monroe Wheeler
Valencia, 27 February 1981 - Institutional correspondence A letter from Manuel García y García to Javier Tusell, dated 27 February 1981
Valencia, 23 June 1981 - Institutional correspondence A letter from Manuel García y García to Javier Tusell, dated 23 June 1981
New York, 3 May 1968 - Institutional correspondence Dorothy C. Miller's letter to Daniel-Henry Kahnweiler
New York, 21 February 1966 - Management of reproduction rights Dorothy C. Miller's letter to Pearl Moeller