1. and 1936 The Comparative Anatomy of the Nervous System of Vertebrates, including Man. The MacMillan Co. Reprinted by Hafner Publishing Co., New York, 1960.
2. 1929 Studies on Vertebrate Neurogenesis. Translated by L., Guth, Charles C Thomas, Springfield, Illinois, 1960.
3. Effects of eye removal at birth on histogenesis of the mouse superior colliculus: An autoradiographic analysis with tritiated thymidine