1966. Seventh Edition. 451 pages. Blue dust jacket over blue cloth. Volume II. Contains black and white photographic plates. Pages and plates are lightly tanned and foxed throughout. Water staining to page edges. Sticker with pen inscription to front free endpaper. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Mild tanning to spine and edges. Unclipped jacket has moderate edge wear with chips, tears and creasing. Tape remnants and staining to spine and panel edges. Rubbed marking to surfaces.