1. The Toothbrush: Its Use and Abuse;Hirschfeld,1939
2. Oral Surgery;Thoma,1949
3. Oral Surgery;Thoma,1949
4. The Changing of Muscle and Tissue Attachments and the Excision of Hyperplastic Tissnes by Electrosurgery;Ogus;Am. J. Orthodontics and Oral Surg,1935
5. Goldman, Henry M.: Personal communications—1949, 1950.