1. Fracture Dislocation of Cervical Spine;James;J. Roy. Coll. Surg. Edin.,1960
2. Extraoral Traction with Halo Head Frame for Complex Fractures;Panuska;J. Oral Surg.,1965
3. Total Cervical Spine Fusion for Neck Paralysis;Perry;J. Bone & Joint Surg.,1959
4. The ‘Halo’ Traction Apparatus. A Method of External Splinting of the Cervical Spine after Injury;Thompson;J. Bone & Joint Surg.,1962