(3) United States Bureau of the Census. Marriage and Divorce, 1867-1906. 2 vols. Washington, 1908-09. [Results of two federal investigations.]
(4) ——. Marriage and Divorce 1916. Washington, 1919.
(5) Eubank, Earle E. A Study in Family Desertion. Department of Public Welfare. Chicago, 1916. [Bibliography.]
(6) Breckinridge, Sophonisba P., and Abbott, Edith. The Delinquent Child and the Home. A study of the delinquent wards of the Juvenile Court of Chicago. Russell Sage Foundation. New York, 1912.
(7) Colcord, Joanna. Broken Homes. A study of family desertion and its social treatment. Russell Sage Foundation. New York, 1919.
(8) Kammerer, Percy G. The Unmarried Mother. A study of five hundred cases. Boston, 1918.
(9) Ellis, Havelock. The Task of Social Hygiene. Boston, 1912.
(10) Myerson, Abraham. "Psychiatric Family Studies," American Journal of Insanity, LXXIV (April, 1918), 497-555.
(11) Morrow, Prince A. Social Diseases and Marriage. Social prophylaxis. New York, 1904.
(12) Periodicals on Social Hygiene: