1. American Textbook of Prosthetic Dentistry;Anthony,1887
2. Obturators and Artificial Vela;Baker,1887
3. The Use of Stents in Skin Grafting in the Mouth;Beder;J. Oral Surg,1944
4. Obturators: A Review;Beder;J. Oral Surg,1944
5. Correction of a Cleft Palate Using a Stress-Breaker Type Partial Appliance With Obturator Attached;Beder;Am. J. Orthodontics and Oral Surg,1945