1. Mechanism, Teleology, and Mind
2. Festinger, L., Back, K., Schachter, S., Kelley, H. H. and Thibaut, J. 1952.Theory and Experiment in Social Communication, 123Ann Arbor: Research Center for Dynamics, Institute for Social Research, Univ. Michigan.
3. Language and communication.
4. Ruesch, J. and Bateson, G. 1951.Communication, the Social Matrix of Psychiatry, 314New York: Norton.