2 March 1974 - Institutional correspondence A letter from Karl Denim, S. S. Kush and Joshua Jericho in defence of Tony Shafrazi
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