1. Classification of malocclusion;Angle;Dent Cosmos,1988
2. The general prevalence of gross symptoms of malocclusion;Stallard;Dent Cosmos,1932
3. A study of malocclusion in pre-school and school children;McCall;Dent Items Interest,1944
4. Orthodontics and the school children: a survey of 680 children;Sclare;Br Dent J,1945
5. When malocclusion concerns the public;Fisk;Can Dent Assoc J,1960