1. Second Premolar Extraction in Orthodontics; Principles, Procedures, and Case Analysis;Dewel;Am. J. Orthodontics,1955
2. The Congenitally Absent Premolar Problem;Valinoti;Angle Orthodontist,1958
3. Predetermined Pattern as a Diagnostic Aid;Kesling;Am. J. Orthodontics & Oral Surg.,1947