1. The Aetiology of Irregularity and Malocclusion of the Teeth;Brash,1930
2. Biologic Aspects of Orthodontia, Dental Science and Dental Art;Brodie Allan,1938
3. Dental Orthopedia;Case Calvin,1921
4. Orthodontics;Chapman,1933
5. Biology and Pathology of the Tooth and Its Supporting Mechanism;Gottleib,1938