1. Periodontia;Goldman,1949
2. Report of evaluating committee IV. Treatment of periodontal disease;J.A.D.A,1952
3. Theory and practice of crown and bridge prosthesis;Tylman,1947
4. American textbook of operative dentistry;Gabel,1947
5. The conservative treatment of periodontal disease;Hard;J.A.D.A.,1952