Davenport, C.B. Heredity in Relation to Eugenics. New York, 1911.

Ellis, Havelock. Problem of Race Regeneration. New York, 1911.

Jordan, D.S. Heredity of Richard Roe. Boston, 1911.

Kellicott, W.E. Social Direction of Human Evolution. New York, 1911.

Punnett, R.C. Mendelism. New York, 1911.

Saleeby, C.W. Methods of Race Regeneration. New York, 1912.

——­ Parenthood and Race Culture. New York, 1909.

Walter, H.E. Genetics. New York, 1913.

Winship, A.E. Jukes-Edwards; a Study in Education and Heredity.
Harrisburg, 1900.

CHAPTER IV

MEDICAL PHASES

Dock, L.L. Hygiene and Morality; Medical, Social and Legal Aspects of
Venereal Diseases. New York, 1910.

Fisher, Irving. National Vitality. Washington, 1910.  U.S. 61st Cong., 2d
Sess.  Senate Doc. 419.

Hall, W.S. Biology, Physiology, and Sociology of Reproduction also, Sexual Hygiene. Ed. 11.  Chicago, 1906.

Keyes, E.L. Observations of the Persistence of Gonococci in the Male
Urethra. American Journal of the Medical Science, January, 1912.

Morrow, P.A. Social Diseases and Marriage. Philadelphia, 1904.

Taylor, R.W. Practical Treatise on Genito-Urinary and Venereal Diseases and Syphilis. Ed. 3.  Philadelphia, 1904.

CHAPTER V

ECONOMIC PHASES

Adams, T.S., and Sumner, H.L. Labor Problems. Ed. 8.  New York, 1911. 
Chap.  I.

Addams, Jane. A New Conscience and an Ancient Evil. New York, 1912.

Butler, E.B. Women and the Trades. New York, 1909.

Flexner, Abraham. Prostitution in the United States. New York. (In preparation.) Bureau of Social Hygiene Publications.

——­ Prostitution in Western Europe. New York, 1913.  Bureau of Social Hygiene Publications.

Fosdick, R.D. European Police Systems. New York, 1913.  Bureau of Social
Hygiene Publications.

Goldmark, Josephine. Fatigue and Efficiency. New York, 1912.

Kelley, Florence. Some Ethical Gains through Legislation. New York, 1905.

Kneeland, G.J. Commercialized Prostitution in New York City. New York, 1913.  Bureau of Social Hygiene Publications.

More, L.B. Life Earner’s Budgets; A Study of Standards and Cost of Living in New York City. New York, 1907.

Roe, C.G. Panders and their White Slaves. Chicago, 1910.

Ryan, J.A. A Living Wage. New York, 1910.

Sanger, W.W. History of Prostitution. New York, 1913.

Seligman, E.R.A., ed. Social Evil. Ed. 2, rev.  New York, 1912.  Chap.  I.