1. Diab M. Lexicon of orthopaedic etymology. Singapore: Harwood Academic Publishers, 1999.
2. Kirkup J. Mythology and history. In: Helal B, Wilson D, eds. The foot. Edinburgh: Churchill Livingstone, 1988:2.
3. Eustachius B. Tabulae Anatomicae. Rome: Gonzagae,1714:82.
4. Rang M. The story of orthopaedics. Philadelphia: WB Saunders, 2000:392.
5. Paré A. The Works of that famous Chirurgion Ambrose Parey. Translated out of Latin and compared with the French by T. H. Johnson. London: printed by Richard Cotes, 1649:36.