Reference
- Wells P. Eagleton: Cavernous Sinus Thrombophlebitis and Allied Septic and Traumatic Lesions of the Basal Venous Sinuses. The Macmillan Company, New York 1926
- King James Joseph. Local Anaesthesia in Otolaryngology and Rhinology. Paul Hoeber, New York 1926
- St Thomson Clair. Diseases of the Nose and Throat.Third Edition. Cassell & Company, Ltd, London 1926
- Hajek M. Pathology and Treatment of the inflammatory diseases of the Nasal Accessory Sinuses., D. Joseph, Heitger, K. French, Hansel. The C. V. Mosby Company, St Louis 1926; Vol. I & II