1. The nature of orthodontic diagnosis;Horowitz,1966
2. Classification of malocclusion;Angle;Dent Cosmos,1899
3. Classification of malocclusion;Angle;Dent Cosmos,1899
4. Treatment of malocclusion of the teeth and fractures of the maxillae;Angle,1990
5. Treatment of malocclusion of the teeth and fractures of the maxillae;Angle,1907