Alexander, R. G., The Alexander discipline / The 20 principles of the Alexander discipline The twenty principles of the Alexander discipline R. G. "Wick" Alexander. - x, 228 pages : illustrations ; 29 cm. Includes bibliographical references and index. ISBN: 9780867154719 (set : hardcover) 9780867154672 (v.1 : hbk) 780867154689 (v. 2 : hardcover) 780867154696 (v. 3 : hardcover) 780867154702 (v. 4 : hardcover) Subjects--Topical Terms: Orthodontics--methods.Patient Care--methods.