1. : Morris' Human Anatomy, 10th ed., Philadelphia, Blakiston Company, 1946, 1641 pp.
2. : Cunningham's Text-Book of Anatomy, 7th ed., New York, Oxford University Press, 1937, 1506 pp.
3. : Diseases of the Nose, Throat and Ear, Philadelphia, W. B. Saunders Company, 1946, pp. 121–122.