Adams, R. G. Political Ideas of the American Revolution. Durham, N. C.: 1922.
Andrews, C. M. The Colonial Background of the American Revolution. New Haven: 1924. (Stresses economic factors and the need of viewing the subject from the European angle; profitably used as companion study to Beer's British Colonial Policy.)
Baldwin, Alice M. The New England Clergy and the American Revolution. Durham, N. C.: 1928. (Prior to 1763 the clergy popularized "doctrines of natural right, the social contract, and the right of resistance" and principles of American constitutional law.)
Beard, C. A. The Economic Origins of Jeffersonian Democracy. New York: 1915. (Suggestive, if other factors are not neglected. See C. H. Hull's review in American Historical Review, XXII, 401-3.)
Becker, Carl. The Declaration of Independence; A Study in the History of Political Ideas. New York: 1922. (Excellent survey of natural rights, and the extent to which this concept was influenced by Newtonianism.)
Becker, Carl. The Heavenly City of the Eighteenth-Century Philosophers. New Haven: 1932. (R. S. Crane observes, after calling attention to certain obscurities and confusions: "The description of the general temper of the 'philosophers,' the characterization of the principal eighteenth-century historians, much at least of the final