1. Extreme variation in vertical facial growth and associated variation in skeletal and dental relations;Isaacson;Angle Orthod.,1971
2. Vertical growth vs. antero-posterior growth as related to the function and treatment;Schudy;Angle Orthod.,1964
3. Control of vertical overbite in clinical orthodontics;Schudy;Angle Orthod.,1968
4. Directional forces;Merrifield;Am. J. Orthod.,1970
5. The characteristics of malocclusion: A modern approach to classification and diagnosis;Ackerman;Am. J. Orthod.,1969