Part 1 Structure-based theories of war: system structure, decision processes and the incidence of international war, J.David Singer; long cycles and global war, George Modelski and William R.Thompson; hierarchial equilibria and the longrun instability of multipolar systems, Manus I.Midlarsky; power cycle theory of systems structure and stability - communalities and complementarities, Charles F.Doran; the logic and study of the diffusion of international conflict, Benjamin A.Most, et al. Part 2 Minimally dyadic theories of war: the contribution of expected utility theory to the study of international conflict, Bruce Bueno de Mesquita; the power transition - retrospective and prospective evaluation, Jacek Kugler and A.F.K.Organski; arms races, the conflict spiral and the onset of war, Randolph M.Silverson and Paul F.Diehl; Richardsonian arms race models, Michael D.Intriligator and Dagobert L.Brito. Part 3 State-centered theories of war: public opinion and national security policy - relationships and impacts, Bruce Russett and Thomas W. Graham; the diversionary theory of war - a critique, Jack S. Levy; lateral pressure in international relations - concept and theory, Nazli Choucri and Robert C.North.