Preiswerk, Gustav; Lehrbuch und Atlas der Zahnärztlichen Technik. Mit einem Anhang von Dr. med. Paul Preiswerk. München, J. F. Lehmanns Verlag, 1921. Vierte verbesserte und vermehrte Auflage. 4th edition. Hardbound 8o in publishers´ half-cloth binding with black lettering on front board. Top edge red. Mild wear and a small scratch on front hinge, else a tight and well preserved binding. Illustrated with 367 black and white and coloured images in the text and 28 full-page, coloured, plates. VIII, 449 p. , (XX) Advertising.