1. Butterfield, R. M. (1963a). Ph.D. Thesis, University of Queensland.
2. Butterfield, R. M. (1963b). Symposium, Carcase Composition and Appraisal of Meat Animals, Melbourne.
3. Butterfield, R. M. (1963c). Ibid.
4. Butterfield, R. M. and May, N.D.S. (1966). ‘Muscles of the Ox’. University of Queensland Press.