St. John, Vincent, The I.W.W., Its History, Structure and Methods. Chicago: The Equity Press.

Tridon, André, The New Unionism. New York: Huebsch, 1913. Pp. 198.

MATERIALS FOR THE STUDY OF THE HOBO AND THE TRAMP

Brown, Edwin A., “Broke,” the Man without a Dime. Chicago: Brown & Howell, 1913. Pp. 370.

Davies, William H., Autobiography of a Super-Tramp. New York: A. A. Knopf, 1917. Pp. 345.

Ellis, Havelock, Studies in the Psychology of Sex: Sex Inversion. II, 391. Philadelphia: Davis, 1915.

Forbes, James, “Jockers and the Schools They Keep,” Charities Survey, XI (1903), 432.

Flynt (Willard), Josiah, My Life. New York: Outing Publishing Co., 1908.

Flynt (Willard), Josiah, Tramping with Tramps. New York: Century, 1899. Pp. 398.