1. The causes of irregularities of the teeth;Robinson;Dent. Rev.,1859
2. Evaluation of the third molar problem;Laskin;J. Am. Dent. Assoc.,1971
3. Third molars in relation to malocclusion;Dewey;Int. J. Orthod.,1917
4. The influence of the third molars on the alignment of the teeth;Broadbent;Am. J. Orthod. Oral Surg.,1943