1. Orthodontics, principles and practice;Graber,1972
2. Oral and nasal structures in cleft palate speech;Graber;J. Am. Dent. Assoc.,1956
3. The measurement of man;Scammon,1930
4. Integral growth of the face: Nasal area;Todd;Int. J. Orthod.,1936
5. Diseases of the nose, throat and ear;Ballenger,1943