1. Kennedy, J. M. & Fox, N. in The Arts and Cognition (eds Perkins, D. & Leondar, B.) (John Hopkins University Press, Baltimore, 1977).
2. Kennedy, J. M., Fox, N. & O'Grady, K. Harv. Education Ass. Bull. 16, 22 (1972).
3. Gordon, G. (ed.) Active Touch (Pergamon, New York, 1978).
4. Kennedy, J. M. in Handbook of Perception VIII (eds Carterette, E. C. & Friedman, M. P.) (Academic, New York, 1975).