[1] Thomas and Znaniecki, The Polish Peasant, vol. ii, pp. 298-455.

[2] See Report of U. S. Immigration Commission, vol. viii, pp. 662-664. Also Report of Massachusetts Immigration Commission, 1914, pp. 64-69. Also "Studies in Chicago Housing Conditions," American Journal of Sociology, vol. xvi, no. 2 (September, 1910), pp. 145-170.

[3] United States Department of Labor, Report of United States Housing Corporation, vol. ii, p. 507.

[4] See Annual Reports of the Immigrants' Protective League, 1909-18; Massachusetts Immigration Commission, 1914, pp. 58-64; Abbott, Grace, The Immigrant and the Community, pp. 55, 56, and 68 fol.

[5] Report of the United States Housing Corporation, vol. ii, p. 508.

[6] See John Daniels, America via the Neighborhood, chap. iii.

[7] See among other studies Chapin, The Standard of Living Among Workingmen's Families in New York City (Russell Sage Foundation Publication, 1909), p. 234; Byington, Homestead, the Households of a Mill Town (Russell Sage Foundation Publication, 1910), p. 105; Kennedy and others, Wages and Family Budgets in the Chicago Stock Yards District (University of Chicago Settlement, 1914), pp. 78-79; Eighteenth Annual Report of the U. S. Commissioner of Labor; U. S. Bureau of Labor, Report on Condition of Woman and Child Wage Earners in the United States, vol. xvi, "Family Budgets of Typical Cotton-mill Workers," pp. 142, 250; Report of the U. S. Immigration Commission, vol. xix, p. 223.

[8] United States Bureau of Labor Monthly Review, July, 1919, p. 48.

[9] Ibid., March, 1919, p. 119.

[10] "Infant Mortality, Results of a Field Study in Johnstown, Pennsylvania," U. S. Children's Bureau Publication No. 9.