August-September 1990 - Institutional correspondence Correspondence on an exhibition project in Hiroshima
Farmington, Connecticut, 20 September 1946 - Personal correspondence James Thrall Soby's letter to William Lieberman
Alfred H. Barr Jr. (ed.), exh. cat., New York: MoMA, 1946 - Catalogue Picasso: Fifty Years of His Art
<em>The New York Times</em>, New York, November 11, 1990, 1, 39 - Article “When Picasso Spooked the FBI”