1. 1961 A Stereoscopic Atlas of Human Anatomy, Section VI, The Pelvis, Portland: Sawyer's, Inc., views 166-3, 4, 5.
2. (ed) 1976 Urology, v 2, London: Blackwell Scientific Publications, p. 1024.
3. (ed) 1985 Anatomy of the Human Body by Henry Gray, 30th American Edition. Philadelphia: Lea & Febiger pp. 504-505.
4. 1820 A Treatise on Surgical Anatomy?Anatomy of Perineum. Philadelphia: J. Maxwell, pp. 145-149. (American edition of the 1811 Irish edition)