1. STUDIES IN NUTRITION
2. DISTRIBUTION OF THE BASIC NITROGEN IN PHASEOLIN
3. Neun, D. E., An examination of certain methods for the study of proteolytic action, Thesis, Columbia University, New York, 1915.
4. Hammarsten, O., Text-book of physiological chemistry, New York and London, 7th American edition, translated from the 8th German edition by J. A. Mandel, 1914.
5. Osborne, T. B., and Mendel, L. B., cited in Johns, C. O., and Finks, A. J., (1), p. 384.