(13) Royce, Josiah. Race Questions, Provincialism, and Other American Problems. Chap. i, "Race Questions and Prejudices," pp. 1-53. New York, 1908.
(14) Thomas, William I. "Race Psychology: Standpoint and Questionnaire, with Particular Reference to the Immigrant and the Negro," American Journal of Sociology, XVII (1912-13), 725-75.
(15) Bryce, James. Race Sentiment as a Factor in History. A lecture delivered before the University of London, February 22, 1915. London, 1915.
3. Strikes:
(1) Schwittau, G. Die Formen des wirtschaftlichen Kampfes, Streik, Boykott, Aussperung, usw. Eine volkswirtschaftliche Untersuchung auf dem Gebiete der gegenwärtigen Arbeitspolitik. Berlin, 1912. [Bibliography.]
(2) Hall, Frederick S. Sympathetic Strikes and Sympathetic Lockouts. "Columbia University Studies in Political Science." Vol. X. New York, 1898. [Bibliography.]
(3) Bing, Alexander M. War-time Strikes and Their Adjustment. With an introduction by Felix Adler. New York, 1921.
(4) Egerton, Charles E., and Durand, E. Dana. U. S. Industrial Commission Reports of the Industrial Commission on Labor Organizations. "Labor Disputes and Arbitration." Washington, 1901.
(5) Janes, George M. The Control of Strikes in American Trade Unions. Baltimore, 1916.
(6) United States Strike Commission, 1895. Report on the Chicago Strike of June-July, 1894, by the United States Strike Commission. Washington, 1895.