<em>Ramparts</em>, San Diego, vol. 5, no. 3 (August, 1966): 46–50 - Article “Napalm: Made in USA. A Small-Town Diary”
Paris, 2 November 1979 - Personal correspondence A copy of a letter Claude Picasso wrote to William Rubin, director of Painting and Sculpture at MoMA
Paris, 1 March 1975 - Personal correspondence Claude Picasso's letter to William S. Lieberman, dated 1 March 1975