1. 1937 The Development of the Vertebrate Skull. Clarendon Press, Oxford.
2. 1926 Practical Anatomy of the Rabbit. P. Blakiston's Son & Co., Philadelphia.
3. 1890 The Comparative Anatomy of Domesticated Animals. 2nd ed. D. Appleton & Co., New York
4. 1937 Mammalian Anatomy with Special Reference to the Cat. 6th ed. P. Blakiston's Son & Co., Philadelphia.
5. and 1932 Handbuch der vergleichenden Anatomie der Haustiere. 17th Ed. Julius Springer, Berlin.