1. and 1936 The comparative anatomy of the nervous system of vertebrates including man. The Macmillan Co., New York.
2. 1943 Neurologia Comparata, Sansoni Edizioni Scientifiche. Firenze.
3. 1906 The pineal sense organs and associated structures in Geotria and Sphenodon. Rep. Brit. A. Adv. Sci., New York: 604.