1. Histopathology of the Teeth and Their Surrounding Structures;Kronfeld,1939
2. Clinical Evaluation of Diagnostic Aids;Sommer;D. Radiog. and Photog,1954
3. Periapical Lesions;Blum;Oral Surg., Oral Med., and Oral Path,1952
4. Dental Roentgenology;Ennis,1952
5. Kronfeld's Histopathology of the Teeth and Their Surrounding Structures;Boyle,1955