[13] Details may be secured from the National Housing Association, 105
East Twenty-second Street, New York City.
[14] Chicago Housing Studies, _American Journal of Sociology_, vol.
xx, p. 154.
[15] Children's Bureau Publication No. 9, "Infant Mortality,
Johnstown, Pennsylvania," p. 29.
[16] See Edith Elmer Wood, _The Housing of the Unskilled Wage Earner_;
_Report of Massachusetts Homestead Commission_; _Reports of United
States Housing Corporation_.
[17] Edith Elmer Wood, _Housing of the Unskilled Wage Earner_, chap.
viii.
[18] Edith Elmer Wood, _Housing of the Unskilled Wage Earner_, p. 233.
[19] _Survey_, June 28, 1919.
[20] See _Annual Report of the Immigrants' Protective League,
1910-1911_, and Abbott, _The Immigrant and the Community_, chap. v,
"The Special Problems of the Immigrant Girl."