1913. Sixth Edition. 391 pages. No dust jacket. Green cloth. Contains black and white photographic plates. Pages and plates are lightly tanned and foxed throughout. Occasional thumb-marking present. Cracking to gutters of a few pages with exposed binding. Light scuffing to text-block edges. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Scuffing and light marking overall.