New York, 28 February 1974 - Institutional correspondence A letter from the Guerrilla Art Action Group to Richard Oldenburg
New York, 5 March 1974 - Institutional correspondence Letter-poem by the Guerrilla Art Action Group send to Franco
2 March 1974 - Institutional correspondence A letter from Karl Denim, S. S. Kush and Joshua Jericho in defence of Tony Shafrazi