1. Malocclusion of the Teeth;Angle,1907
2. Further Studies of the Relation of the Maxillary First Permanent Molars to the Face in Class I and Class II Malocclusions;Baldridge;Angle Orthodontist,1950
3. The Face in Profile;Bjork,1947
4. Some Biological Aspects of Prognathism and Occlusion of the Teeth;Bjork;Acta Odontol. Scandinav.,1950
5. Goldstein, Abraham, and Meyer, Ernest: Cephalometric Appraisal of Orthodontic Management of Class II Malocclusions;Brodie;Angle Orthodontist,1938