2 March 1974 - Institutional correspondence A letter from Karl Denim, S. S. Kush and Joshua Jericho in defence of Tony Shafrazi
Paris, 3 November 1980 - Institutional correspondence Dominique Bozo's letter to Josep Lluís Sert, dated 3 November 1980
Paris, 23 December 1980 - Institutional correspondence Dominique Bozo's letter to Josep Lluís Sert, dated 23 December 1980