1. Human tissue response to orthodontic intervention of short and long duration;Oppenheim;Amer. J. Orthodont. Oral Surg.,1942
2. The universal appliance;Yudelson;Amer. J. Orthodont.,1967
3. Some new forms of orthodontic mechanism, and reasons for their introduction;Angle;Dent. Cosmos,1916
4. The latest and best in orthodontic mechanism;Angle;Dent. Cosmos,1928
5. Diagnosis of dental anomalies;Simon,1926