1. Hormonal Gingivitis;Engel;J. Am. Dent. A,1952
2. Oral Manifestations of the Blood Diseases;Wentz;J. Am. Dent. A,1952
3. Nutritional Diseases of the Mouth and Their Differential Diagnosis;Fein;Rev. Gastroenterol,1951
4. Symposium on Systemic Aspects of Periodontal Disease;Maier,1948
5. Textbook of Periodontia;Miller,1950