1. Esthetic soft-tissue profile changes during the 1900s;Auger;J Dent Res (IADR Abstracts),1994
2. Facial beauty in Western art;Olds,1992
3. The integumental profile;Burstone;Am J Orthod,1958
4. The variations in skeletal and denture patterns in excellent adult facial types;Goldsman;Angle Orthod,1959
5. The profile line as an aid in critically evaluating facial esthetics;Merrifield;Am J Orthod,1966