[13] Final Report of the Commission on Industrial Relations (1915), pp. 163-64.

[14] B. Seebohm Rountree, Unemployment; A Social Study. London, 1911. See especially chap. vii, “Detailed Descriptions of Selected Families,” where the demoralizing effects of unemployment upon the laborer are clearly indicated.

[15] Final Report of the Commission on Industrial Relations (1915), p. 157.

[16] See Bibliography, p. 287.

[17] The Individual Delinquent, pp. 776-79.

[18] One Thousand Homeless Men, pp. 88-89.

[19] L. M. Terman, The Measurement of Intelligence, p. 18.

[20] Rudolph Pintner and H. A. Toops, “Mental Tests of Unemployed Men,” Journal of Applied Psychology, I (1917), 325-41; II (1918), 15-25.

[21] “Unemployment and Feeble-mindedness,” Journal of Delinquency, II (1917), 59-73.

[22] Herman M. Adler, “Unemployment and Personality—A Study of Psychopathic Cases,” Mental Hygiene, I (January, 1917), 16-24.

[23] R. E. Park and H. A. Miller, Old World Traits Transplanted, p. 27.

[24] Rexford Tugwell, “The Gypsy Strain,” Pacific Review, pp. 177-78.