Halle, Germany: Wilhelm Knapp, 1909. Octavo. First Edition. Text in German. Publisher's brown cloth, blind rule, spine title and designs gilt. Very Good condition, with no dust jacket. Light rubbing at the extremities, a touch of fraying to the joints at the spine ends, front pastedown split at the hinge, and the front board bumped at the top (with corresponding closed tear to the front pastedown). Profusely illustrated in black-and-white, with 14 full-page plates at the rear in photogravure, autotype, and a variety of other processes. A presentable copy.