Karlsruhe, Muller, 1897, in-8 softcover, uncut, (6) + 112 pp + (3). With plates. EDITION ORIGINALE. Cover in good condition, inside in very good condition.
Baden-Baden, Ernest Koelblin, Imprimerie de la Cour, 1907, in-8 broché, 56 pp. Illustrations. EDITION ORIGINALE. Dos fendu, sinon couverture en très bon état, intérieur en bon état.