1. Facial height index;Horn;Am J Orthod Dentofacial Orthop,1992
2. The profile line as an aid in critically evaluating facial esthetics;Merrifield;Am J Orthod,1966
3. The “Wits” appraisal of jaw disharmony;Jacobson;Am J Orthod,1975
4. “Wits appraisal” in radiographic cephalometry;Jacobson,1995
5. Differential diagnosis with total space analysis;Merrifield;J Charles Tweed Foundation,1978