1. A symposium in Class II Division 1 malocclusions. 1. Morphology in relation to treatment planning;Ballard,1956
2. Asymmetry in tooth size: A factor in the etiology, diagnosis and treatment of malocclusion;Ballard;Angle Orthod.,1944
3. Tooth size and class distinction;Beresford;Dent. Pract.,1969
4. Descriptive anatomy of the human teeth;Black,1902
5. Disharmonies in tooth size and its relation to the analysis and treatment of malocclusion;Bolton;Angle Orthod.,1958