1. Treatment of Malocclusion of the Teeth;Angle,1907
2. Orthodontia or Malposition of the Human Teeth, Its Prevention and Remedy;Guilford,1889
3. Treatment of Malocclusion of the Teeth;Angle,1907
4. Treatment response as an aid in diagnosis and treatment planning;Ackerman;Am J Orthod,1970
5. The characteristics of malocclusion: A modern approach to classification and diagnosis;Ackerman;Am J Orthod,1969