(14) Lewis, George C. An Essay on the Influence of Authority in Matters of Opinion. London, 1849.

(15) Jephson, Henry. The Platform. Its rise and progress. 2 vols. London, 1892.

(16) Junius. (Pseud.) The Letters of Junius. Woodfall's ed., revised by John Wade. 2 vols. London, 1902.

(17) Woodbury, Margaret. Public Opinion in Philadelphia, 1789-1801. "Smith College Studies in History." Vol. V. Northampton, Mass., 1920.

(18) Heaton, John L. The Story of a Page. Thirty years of public service and public discussion in the editorial columns of The New York World. New York, 1913.

(19) Editorials from the Hearst Newspapers. New York, 1906.

(20) Harrison, Shelby M. Community Action through Surveys. A paper describing the main features of the social survey. Russell Sage Foundation. New York, 1916.

(21) Millioud, Maurice. "La propagation des idées," Revue philosophique, LXIX (1910), 580-600; LXX (1910), 168-91.

(22) Scott, Walter D. The Theory of Advertising. Boston, 1903.

B. The Newspaper as an Organ of Public Opinion