1. Anon. 1971a. Angry Politics. IT/111. September 9.
2. Anon. 1971b. One Big Frame Up: The Prison Letters of Jake Prescott and Ian Purdie. Oz 37. September.
3. Ansorge, Peter. 1975. Disrupting the Spectacle: Five Years of Experimental and Fringe Theatre in Britain. London: Pitman.
4. Burns, Alan. 1973a. Letter to B.S. Johnson. Held in British Library.
5. ———. 1973b. The Angry Brigade. London: Calder and Boyars.