1. Axelrod, R. (1984)The Evolution of Cooperation. New York: Basic Books.
2. Benson, B.L. (1988) “Legal Evolution in Primitive Societies.”Journal of Institutional and Theoretical Economics 144: 772–788.
3. Benson, B.L. (1989) “The Spontaneous Evolution of Commercial Law.”Southern Economic Journal 55: 644–661.
4. Benson, B.L. (1990)The Enterprise of Law: Justice Without the State. San Francisco: Pacific Research Institute.
5. Benson, B.L. (1991) “Why Did Lawyers Demand Passage of Arbitration Statutes?” Florida State University Working Paper No. 91-03-8.