Sharp, G.The Need of a Functional Substitute for War. In International Relations (London), 1967, 3, pp. 187—207. Reprint series of the Center for International Affairs, Harvard University.
4.
Sharp, G. 'The Political Equivalent of War' — Civilian Defense. In International Conciliation, 1965, no. 555. New York: Carnegie Endowment for International Peace (Whole number).
5.
Sharp, G.The Politics of Nonviolent Action. Boston: Porter Sargent, 1973. Prepared under auspices of the Center for International Affairs , Harvard University.