Gregory Bateson, Carol Wilder-Mott, John H. Weakland, International Communication Association, Speech Communication Association (1981). “Rigor & imagination: essays from the legacy of Gregory Bateson”, Praeger Publishers
Gregory Bateson (1972). “Steps to an Ecology of Mind: Collected Essays in Anthropology, Psychiatry, Evolution, and Epistemology”, p.493, University of Chicago Press