References
- Tweed, C. H. (1941) The application of the principles of the edgewise arch in the treatment of malocclusions, Angle Orthodontist, 11, 5–68.
- Tweed, C. H. (1945) A philosophy of orthodontic treatment, American Journal of Orthodontics, 31, 74–113.
- Orton, H. S. (1977) An introduction to the Kingston Approach to edgewise treatment, British Journal of Orthodontics, 4, 109–119.