1. The Biology of Moral Systems;Alexander,1987
2. The Economy of Love and Fear: A Preface to Grants Economics;Boulding,1973
3. Ecodynamics: A New Theory of Societal Evolution;Boulding,1978
4. Religion Explained: The Human Instincts that Fashion Gods, Spirits, and Ancestors;Boyer,2001
5. Hayek's Challenge: An Intellectual Biography of F.A. Hayek;Caldwell,2004