1. Textbook of Oral Pathology;Thoma,1954
2. Hereditary Opalescent Dentin. An Analysis of the Literature on Hereditary Anomalies of Tooth Color;Finn;J. A. D. A.,1938
3. Case of Faulty Enamel;Spokes;Brit. J. D. Sc.,1890
4. Hereditary Disturbances of Enamel Formation and Calcification;Weinmann;J. A. D. A.,1945
5. Color Atlas of Oral Pathology,1956