[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.
[11] "Infant Mortality, A Study of Infant Mortality in a Suburban
Community," U. S. Children's Bureau Publication No. 11.
[12] "Infant Mortality, Results of a Field Study in Manchester, New
Hampshire," U. S. Children's Bureau Publication No. 20.