Farmington, Connecticut, 20 September 1946 - Personal correspondence James Thrall Soby's letter to William Lieberman
Paris, 23 August 1951 - Personal correspondence Pablo Picasso's letter to Roland Penrose, dated 23 August 1951
Alfred H. Barr Jr. (ed.), exh. cat., New York: MoMA, 1946 - Catalogue Picasso: Fifty Years of His Art
Madrid, 11 November 1951 - Photograph Dalí announcing his lecture Picasso and I in Teatro María Guerrero, Madrid