[32] See Freund, _Police Power, Public Policy and Constitutional
Rights_, secs. 319-321.
[33] _Report of the United States Immigration Commission_, vol. vi,
pp. 318, 319.
[34] _United States Immigration Commission Reports_, vol. vi, p. 95,
"General Survey of the Bituminous Coal Mining Industry." See also pp.
650, 651.
[35] _United States Immigration Commission Reports_, vol. vi, pp.
544-545, on the subject of "Housing by Employers." See Wood, _The
Housing of the Unskilled Wage Earner_, p. 114 ff.
[36] United States Bureau of Labor Statistics _Monthly Labor Review_,
May, 1917, p. 147, and June, 1919, p. 101.
[37] Lusk, _The Science of Nutrition_ (Third Edition), pp. 562, 570.
[38] United States Bureau of Labor Statistics _Monthly Labor Review_,
vol. ix (July, 1919), p. 4. The analogy is drawn between the sale of
food by calorie and the sale of coal by the British thermal unit.
[39] See Thomas, _Sex and Society_, chap. vii; Veblen, _Theory of the
Leisure Class_, chap. vii; Anthony, _Feminism in Germany and
Scandinavia_, chaps. v and vi, "Dress Reform."
[40] _The Chicago Standard Budget for Dependent Families_, p. 18.
[41] _Ibid._, p. 14.
[42] New York daily papers, September 18, 19, 20, 1919. Reports of
International Conference of Women Physicians under Auspices of Young
Women's Christian Association.
[43] See, for example, King, _Lower Living Costs in Cities_.