Die Sammlung Dr. Max Emden, Hamburg. Katalog nr. XIII.
Berlin: Hermann Ball/Paul Graupe, 1931. Softcover. Blue softcover with black lettering. 77 pp. 68 illustrations. Sale catalogue. Catalogue of an exhibition held at 9 May 1931. More
Berlin: Hermann Ball/Paul Graupe, 1931. Softcover. Blue softcover with black lettering. 77 pp. 68 illustrations. Sale catalogue. Catalogue of an exhibition held at 9 May 1931. More