|1.|| Beatty H. G., "Etiology of Cleft Palate and Hare Lip," Journal of Speech Disorders, 1936, Vol. 1, pages 13-20.|
A detailed description of the embryological development of normal and cleft palates and harelips.
|2.|| Blair V. P., "Cleft Palate--Its Surgery," Journal of
Speech Disorders, 1937, Vol. 2, pages 195-198.|
A brief description of the surgical aims and methods used in repairing palatal clefts.
|3.|| Cobb L. H., and
Lierle D., "An Analysis of the Speech
Difficulties of 56 Cleft Palate and Harelip Cases," Archives of
Speech, 1936, Vol. 1, pages 217-230.|
A phonetic analysis of the speech difficulties of these cases. All of them showed excess nasality on the vowels, but the amount of nasality was not proportional to the amount of cleft. Plosive and fricative sounds were the most difficult, and delayed speech was common. A bibliography is given.
|4.|| Dorrance G., "The Effect of Cleft Palate Operations on
Voice and Speech," Proceedings American Speech Correction Association, 1938, Vol. 8, pages 60-62.|
An abstract describing the newer operative techniques and the proper age for palate operations.
|5.||Fitz-Gibbon J., "Cleft Palate," Proceedings American Speech Correction Association, 1934, Vol. 4, pages 52-55.|