1. Einige Beiträge zur Theorie der Zahnregulierung;Sandstedt;Nord. tand. tidskr.,1904
2. Tissue Changes, Particularly of the Bone Incident to Tooth Movement;Oppenheim;Am. Orthodontist,1911
3. Bone Changes During Tooth Movement;Internat J. Orthodontia,1930
4. Crisis in Orthodontia;Ibid.,1933
5. Tissue Changes Involved in Tooth Movement;Johnson;Internat. J. Orthodontia,1926