1. Dental Cosmos, Mechanics in Orthodontia From a Modern Aspect;Hellman,1920
2. Orthodontic Suppositions;Woodbury;Int. J. Ortho.,1937
3. Biomechanics of Orthodontic Practice;Grieve;Int. J. Ortho.,1937
4. Brash, James C.: The Growth of the Jaws, Normal and Abnormal, in Health and in Disease.
5. The Growth of Bone;Macewen,1912