1. White, W. A.: Outlines of Psychiatry. Nervous and Mental Disease Publishing Co., Washington. 1932.
2. Noyes, A. P.: Modern Clinical Psychiatry. W. B. Saunders & Co. Philadelphia. 1934.
3. Doisy, E. A., Veler, C. D., and Thayer, S. A.: Folliculin from urine of pregnant women. Am. J. Physiol., 90:329, October, 1929.
4. Werner, A. A., Johns, G. A., Hoctor, E. F., Ault, C. C., Kohler, L. H., and Weis, M. W.: Involutional melancholia: probable etiology and treatment. J. A. M. A., 103:13, July, 7, 1934.
5. Werner, A. A., Kohler, L. H., Ault, C. C., and Hoctor, E. F.: Involutional melancholia: probable etiology and treatment. Arch. Neurol. and Psychiat., 35:1076, May, 1936.