Rome, 18 February 1954 - Institutional correspondence Eugenio Reale's letter to Pablo Picasso, dated 18 February 1954
Rome, 24 March 1954 - Institutional correspondence Eugenio Reale's letter to Pablo Picasso, dated 24 March 1954
Rome, 24 August 1954 - Institutional correspondence Eugenio Reale's letter to Pablo Picasso, dated 24 August 1954
Rome, 15 September 1954 - Institutional correspondence Eugenio Reale's letter Pablo Picasso, dated 15 September 1954
New York, 16 December 1954 - Institutional correspondence A letter from Alfred H. Barr Jr. to William A. M. Burden, René d'Harnoncourt and James Thrall Soby
Rome, 1 January 1954 - Institutional correspondence Eugenio Reale's letter to Pablo Picasso, dated 1 January 1954
New York, 10 July 1954 - Institutional correspondence A letter from Alfred H. Barr Jr. to René d'Harnoncourt, dated 10 July 1954