1. Oral Roentgenographic Diagnosis;Stafne,1963
2. Median Maxillary Anterior Alveolar Cleft,;Gier;Oral Surg., Oral Med. & Oral Path,1967
3. A Textbook of Oral Pathology;Shafer,1963
4. Syndromes of the Head and Neck;Gorlin,1964
5. Congenital Midline Defects of the Midface;Baibak;Cleft Palate J,1966