1. A text-book of orthodontia;Strang,1950
2. Development of dentition and occlusion;Moyers,1973
3. The anterior component of the force of mastication and its significance to the dental apparatus;Stallard;Dental Cosmos,1923
4. Fundamentals of occlusion;Hemley,1944
5. Clinical observations on the axial inclination of teeth;Dewel;Am J Orthod,1949