80: August Hirschwald, 1879. 10th Edition. Hardcover. 2 volumes. 10th revised and expanded edition Text in German. 842 & 919 pp. Clean pages. Some scuffing to the covers, rear cover has bump on the edge on volume 1. Spine ends have minor wear. Some edge wear.

81: J. B. Lippincott Company, 1980. Hardcover. Text in English. 416 pp. Some pencil underlining on the pages. Former owner's name on front free endpaper. Covers have some small dents.