1. Inadequacy of mandibular anchorage 5 years later;Hopkins;Am. J. Orthod.,1960
2. The size relationship between the maxillary and mandibular anterior segments of the dental arch;Neff;Angle Orthod.,1957
3. An indication for the three incisor case;Levin;Angle Orthod.,1964
4. Disharmony in tooth size and its relation to analysis and treatment;Bolton;Angle Orthod.,1958
5. Different extractions for different malocclusions;Brandt;Am. J. Orthod.,1975