1. Dental Histology and Embryology;Noyes,1929
2. Principles of Orthodontics;Salzmann,1943
3. A New Method of Treating Unerupted Teeth by Means of Surgery and Orthodontia;Leslie;J. Canad. D. A.,1942
4. The Problem of Impacted Teeth in Orthodontics;Adamson;Australian J. Dent.,1952