Valladolid, 29 August 2006 - Photograph A woman contemplates one of the illustrated panels from the exhibition Pablo Picasso, Guernica. History of a Painting
Farmington, Connecticut, 20 September 1946 - Personal correspondence James Thrall Soby's letter to William Lieberman
New York, 23 October 1969 - Institutional correspondence Elizabeth Shaw's letter to William S. Lieberman