London: Her Majesty’s Stationary Office, 1954. Three volume set in four parts, Vol. I Fifth impression, Vol. II third impression, Vol. III first edition, 8vo., pp.xxii,664; xvi,523; xv,423; xvi,502, green cloth with title-bands in black, lettering gilt, b/w frontispieces, b/w maps (some which are foldout), b/w plates; very light fading/rubbing to boards, else a near fine set in vg+ price-clipped dust-jackets which are slightly toned and very lightly rubbed to extremities, with very slight surface soiling, particularly to rear top left corner of jacket to Volume II. Now in protective covers.