1. Proceedings of the Conference on Research in periodontal disease;J. D. Res.,1962
2. Morphological factors in the pathogenesis of periodontal disease;Cohen;Brit. D. J.,1959
3. Study of the periodontal epithelium;Cohen;Brit. D. J.,1962
4. La kératinisation au niveau de la papille interdentaire;Baume;Schweiz. Mschr. Zahnh.,1962
5. The interpapillary ligament;Melcher;D. Practit.,1962