1. and 1827 The anatomy and physiology of the human body, 5th American ed. (reprinted from the 6th London ed. of 1826). Collins & Co., New York.
2. 1921 Anatomie des Menschen, Bd. 1, S. 601. Julius Springer, Berlin.
3. 1907 A clinical atlas of variations of the bones of the hands and feet. J. B. Lippincott Co., Philadelphia and London.
4. 1914 The anatomy of the human skeleton, p. 172. Son & Co., Philadelphia.
5. 1920 Anatomy, descriptive and applied. 21st ed., pp. 339-340. Longmans, Green & Co., London and New York.