Brooker, R. A.: Some technical features of the Manchester Mercury Autocode Programme. Symposium Mechanisation of Thought Processes, National Physical Lab., Teddington, November 24–27, 1958, p. 201–229 Brooker, R. A., Morris, D.: An assembly program for a phrase structure language. Computer J. 3, 168–174 (1960) Brooker, R. A., Morris, D.: Some proposals for the realization of a certain assembly program. Computer J. 3, 220–231 (1961) Brooker, R. A., Morris, D.: A description of Mercury Autocode in terms of a phrase structure language. In: Goodman, R. (ed.): Second Annual Review of Automatic Programming. New York: Pergamon 1961 Brooker, R. A., Morris, D.: A general translation program for phrase-structure languages. J. ACM 9, 1–10 (1962) Brooker, R. A. Morris, D.: A compiler for a self-defining phrase structure language. University of Manchester, England (undated)