1. Begg orthodontic theory and technique;Begg,1965
2. Evolution and devolution of the human face;Hooton;Amer J Orthodont,1946
3. Orthodontics; principles and practice;Graber,1966
4. Vertical growth versus anteroposterior growth as related to function and treatment;Schudy;Angle Orthodont,1964
5. roentgenographic study of the position of the mandible in malocclusion of the teeth;Blume,1947