1. Reports of cases illustrating our progress in the surgical treatment of chronic stenosis of the larynx and trachea;Winslow;Trans Am Laryngol Assoc,1909
2. Stenosis of the larynx with special reference to curative treatment with core molds;Jackson;Trans Am Laryngol Rhinol Otol Soc,1936
3. Case report: laryngeal stenosis in the adult, successfully treated by intubation; continuous wearing of tube for four years;Simpson;Trans Am Laryngol Assoc,1908
4. Laurens G. Chirurgie de l'oreille, du nez, du pharynx et du larynx. 2nd edition. 945. 1924.