1. “Open-bite” malocclusion;Atkinson Spencer;Am. J. Orthodontics,1966
2. Developmental changes of the maxillary and mandibular dental arches;Barrow Gerald;Angle orthodontist,1952
3. The face in profile;Björk;Svenska tandl. tidskr.,1947
4. Introduction to orthodontics;Björk,1960
5. Ontogenic development of occlusion;Broadbent;Angle Orthodontist,1941