1. Campbell, C.D., and G. Tullock. 1965. A measure of the importance of cyclical majorities. Economic Journal 75: 853–857.
2. Condorcet, N.C. de. 1785. Essai sur l’application de l’analyse à la probabilité des decisions rendues à la pluralité des voix. Paris.
3. Grofman, B. 1981. The theory of committees and elections: the legacy of Duncan Black. In Towards a science of politics: Essays in honor of Duncan Black, ed. G. Tullock. Blacksburg: Public Choice Center, Virginia Polytechnic Institute and State University.
4. McLean, I., A. McMillan, and B.L. Munroe (eds.). 1996. A mathematical approach to proportional representation: Duncan Black on Lewis Carroll. Dordrecht: Kluwer.