American Academy of Orthopaedic Surgeons and American Academy of Pediatrics (2010). Corns and calluses. In JF Sarwark, ed., Essentials of Musculoskeletal Care, 4th ed., pp. 781-784. Rosemont, IL: American Academy of Orthopaedic Surgeons.
Basler RSW (2010). Sports medicine dermatology. In JC Hall et al., eds., Sauer's Manual of Skin Diseases, 10th ed., pp. 490-498. Philadelphia: Lippincott Williams and Wilkins.
Scardina RJ, Lee SM (2008). Corns. In WR Frontera et al., eds., Essentials of Physical Medicine and Rehabilitation, 2nd ed., pp. 441-443. Philadelphia: Saunders Elsevier.