1. League of Nations Health Committee Technical Commission, Geneva, 1935.
2. League of Nations Health Committee Technical Commission, Geneva, 1935.
3. Committee on Food and Nutrition, National Research Council: Washington, 1941, Government Printing Office.
4. Stieheling, H.K., and Phipard, E.F.: Circular No. 507, U. S. Dept. Agric., Washington, 1939, Government Printing Office.
5. The Vitamins;Booher,1939