1. Tissue changes particularly of the bone, incident to tooth movement;Oppenheim;Am. Orthodontist,1911
2. Tissue changes particularly of the bone, incident to tooth movement;Oppenheim;Am. Orthodontist,1911
3. Einige Beitrage zur Theorie der Zahnregulierung;Sandstedt;Nord. Tandl. Tidsskr.,1904
4. Einige Beitrage zur Theorie der Zahnregulierung;Sandstedt;Nord. Tandl. Tidsskr.,1905
5. Tissue changes incidental to orthodontic tooth movement;Schwarz;Int. J. Orthodontia,1932