1. Roentgenography of the Temporomandibular Joint;Ricketts,1964
2. Variation of Temporomandibular Joint as Revealed by Cephalometric Laminagraphy;Ricketts;Am. J. Orthodontics,1950
3. The Role of Cephalometrics in Prosthetic Diagnosis;Ricketts;J. South. California D. A.,1956
4. Abnormal Function of the Temporomandibular Joint;Ricketts;Am. J. Orthodontics,1955
5. On the Anatomy and Function of the Temporomandibular Joint;Lindblom;Acta odont. scandinav.,1960