1. Malfunction of the Tongue. Part 1. The Abnormal Swallowing Habit: Its Cause, Effects, and Results in Relation to Orthodontic Treatment and Speech Therapy;Straub;Am. J. Orthodontics,1960
2. The Relation of the Malocclusion of the Teeth to Defects of Speech;Fymbo;Arch. Speech,1936
3. Speech Defects Associated With Dental Abnormalities and Malocclusions;Bloomer,1957
4. The Relation of Speech Defects and Malocclusion;Bernstein;Am. J. Orthodontics,1954
5. The Significance of Soft Tissue Morphology in Diagnosis, Prognosis, and Treatment Planning in Orthodontics;Ballard;Tr. European Orthodontic Society,1953