1. Personal communication. Association of State and Territorial Health;Anderson, T.,1962
2. The Problem of Homosexuality;New York. Berg, C.; Allen, C.;Committee on Medical Research and the United States Public Health Service; Personal communication,1958
3. Teen-agers and Venereal Disease. A Sociological Study of 600 Teen-agers in New York City Social Hygiene Clinics;Deschin, C.S.;Bull. Johns Hopk. Hosp,1961
4. Flippin, H. F. (1961). Penn. med. J., 64, 1578.
5. "Measure of the Treponematosis Problem in World To-day". Paper presented at the World Forum on Syphilis and Other Treponematoses;Guthe, T.,1962