1. Pyorrhea Alveolaris: Histopathology and Results of Radical Surgical Treatment;Mann;D. Cosmos,1934
2. Paper presented before I.A.D.R.;Chase,1944
3. Die Veränderungen der Gewebe bei übermässiger Beanspruchung der Zähne;Gottlieb,1931
4. Injuries Caused by Orthodontic Forces and the Ultimate Results of These Injuries;Stuteville;Am. J. Orthodontics and Oral Surg.,1938