1. The influence of mastication on the jaws and their appendages;Campbell;Brit. J. D. Science,1902
2. Exercises for the development of the muscles of the face, with a view to increasing their functional activity;Rogers;D. Cosmos,1918
3. Studies in mandibular kinematics;Hildebrand;D. Cosmos,1936
4. Movements of the jaw and how they are effected;Lord;Internat. J. Orthodont.,1937
5. Oral anatomy;Sicher,1949