[31] Thrift by Household Accounting and Weekly Cash Record Forms, published by the Committee on Household Budgets, American Home Economics Association, 1211 Cathedral Street, Baltimore, Maryland.
[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.