1. Root Resorptions and Their Relation to Pathologic Bone Formation. Part I. Statistical Data and Roentgenographic Aspect;Becks;Int. J. Orthodontics and Oral Surg.,1936
2. Orthodontic Prognosis: Evaluation of Routine Dento-Medical Examinations to Determine “Good and Poor Risks”;Becks;Am. J. Orthodontics and Oral Surg.,1939
3. The Significance of the Results of Physical Examination and Laboratory Tests for the Prognosis of Orthodontic Therapy;Kaps;Thesis submitted in partial satisfaction of the requirement for the degree of Master of Science in Dentistry, Univ. of Cal.,1936
4. A Preliminary Report of an Investigation of Apical Root Resorption of Permanent Teeth;Ketcham;Int. J. Orthodontia,1927
5. Biologic Orthodontic Therapy and Reality;Oppenheim;The Angle Orthodontist,1936