Gregory Bateson (1972). “Steps to an Ecology of Mind: Collected Essays in Anthropology, Psychiatry, Evolution, and Epistemology”, p.201, University of Chicago Press
Lowery Stokes Sims, Hans Hofmann, Metropolitan Museum of Art (New York, N.Y.) (1999). “Hans Hofmann in the Metropolitan Museum of Art”, Metropolitan Museum of Art
"Golden Booklet of the True Christian Life" by John Calvin, Baker Books, a division of Baker Publishing Group, Grand Rapids, Michingan, United States, (p. 84), December 1, 2004.