London: Secker and Warburg, 1968. First edition, four volumes, 8vo., pp.xxiii,574;xv,477;xv,435;xvii,555, blue cloth, gilt, b/w frontispieces; neat ownership bookplate to front paste-down endpaper of Volume IV, a little foxing to top edges, light rubbing to extremities, light creasing to foot of spine of Volume I, internally fresh, a very good set indeed, in very good complete and unclipped dust-jackets.