Official publication of the American Orthopaedic Assn. and the British Orthopaedic Assn. and, Apr. 1935-<1946> of the American Academy of Orthopaedic Surgeons
Vols. 20-45 called also new ser., v. 4-29
Vols. for 1948- called American volume [i.e. edition] 30A- omitting "new ser." designation