1. Quoted by Whitnall: Anatomy of the Human Orbit and Accessory Organs of Vision by Whitnall;Sappey,1932
2. Charpey, A.: Quoted by Whitnall: Anatomy of the Human Orbit and Accessory Organs of Vision. Ibid., p. 117.
3. Anatomy of tne Human Orbit and Accessory Organs of Vision;Whitnall,1932
4. Plastic construction of the superior Palpebral fold;Sayoc;Am. J. Ophth.,1954