1. The Selection of Forces for Tooth Movement;Halderson;Am. J. Orthodontics,1953
2. Tissue Changes Incidental to Orthodontic Tooth Movement;Schwartz;Int. J. Orthodontia,1932
3. Some Orthodontic Problems in Histologic Illumination;Gottlieb;Am. J. Orthodontics & Oral Surg.,1946
4. Histopathology of the Teeth and Their Surrounding Structures;Kronfeld,1955
5. Tissue Changes Incidental to Tooth Movement;Hemley;Am. J. Orthodontics,1955