1. Cleft Lip and Palate;Brophy,1923
2. Cleft Palate and Speech;Morley,1951
3. The Correction of Congenital Cleft Palate Speech by Appliances;Fitz-Gibbon;D. Cosmos,1930
4. Cleft Palate Prosthesis Rehabilitation;Olinger;J. Pros. Den.,1952
5. Cleft Lip and Palate;Holdsworth,1951