1. Dr Sperry did not indicate the appropriate places in the text for each citation; we will not try to second-guess him.
2. Berry, T., The Dream of the Earth. Sierra Club Nature & Natural Philosophy Library, San Francisco, 1988.
3. Birch, C. and Cobb, J. B., Liberation of Life: From the Cell to the Community. Cambridge University Press, New York, 1981.
4. The Value-Fact Antithesis in Behavioral Science
5. Paradigm regained? Cognitive behaviorism restated.