1. Wootton, David. “Leveller Democracy and the Puritan Revolution.” The Cambridge History of Political Thought, 1450–1700. J. H. Burns and Mark Goldie, eds. Cambridge: Cambridge University Press, 1991: 412–42
2. Simmons, John On the Edge of Anarchy: Locke, Consent, and the Limits of Society. Princeton: Princeton University Press, 1993
3. Toward a Republican Synthesis: The Emergence of an Understanding of Republicanism in American Historiography
4. Worden, Blair “Marchmount Nedham and the Beginnings of English Republicanism, 1649–1656,” Republicanism, Liberty, and Commercial Society, 1649–1776. David Wootton, ed. Stanford: Stanford University Press, 1994: 45–81
5. Tocqueville, Alexis de. Democracy in America. George Lawrence, trans. New York: Harper, 1966 [1850]