1. Diffuse Atrophy of the Alveolar Bone;Gottlieb;Ztschr. f. Stomatol,1923
2. Diffuse Atrophy of the Alveolar Bone;Orban;J Periodont,1942
3. Wandering and Elongation of the Teeth and Pocket Formation in Paradontosis;Thoma;J.A.D.A.,1940
4. What Factors Determine the Early Stage of Paradontosis?;Becks;J.A.D.A.,1931
5. A Case of Generalized Tooth Resorption;Kronfeld;Ztschr. f. Stomatol,1931