1. Directory, The American Association for Cleft Palate Rehabilitation, 1959. (Secretary, Dr. D. C. Spriestersbach, Department of Otolaryngology, University Hospitals, Iowa City, Iowa.)
2. Fogh-Andersen, P.: Inheritance of Harelip and Cleft Palate. Copenhagen, Arnold Busch, 1942.
3. A new classification for cleft lip and cleft palate;Kernahan;Plastic & Reconstr. Surg.,1958
4. Longacre, J. J.: Presentation to the Annual Meeting of the American Association for Cleft Palate Rehabilitation, Kansas City, Missouri, 1956.
5. Surgery of the Mouth, Face and Jaws;McDowell,1954