1. A Study of Vertical Malrelation of the Face Especially Related to Close Bite Malocclusion and Allied Discrepancies;Spidel,1931
2. A Contribution to the X-Ray Study of Tongue, Soft Palate, and Uvula Position in Certain Vowels;Higley,1933
3. Fundamental Principles of a Systematic Diagnosis of Dental Anomalies;Simon,1926
4. Broadbent, B. H.: The Orthodontic Value of Cephalometric Studies in Facial Growth With the Roentgenographic Cephalometer, J. Dent. Res. 13: 151.