1. Orthodontics: Principles and Practice;Graber,1961
2. Tooth Size and Occlusion in Twins;Lundström;Thesis,1948
3. The Constitutional Factor in Skull Form and Dental Occlusion;Johnson;Am. J. Orthodontics & Oral Surg.,1940
4. Lower First Premolars;Kraus;J. D. Res.,1953
5. Asymmetry in Tooth Size: A Factor in the Etiology, Diagnosis and Treatment of Malocclusion;Ballard;Angle Orthodontist,1944