Oxford: Clarendon Press, 1959. Second edition, 8vo., pp.lxxiv,650, navy cloth, gilt, 7 b/w illustrations, including frontispiece portrait, and MS. facsimiles; foxing to endpapers and edges, an otherwise very good copy, in a price-clipped dust-jacket, which is chipped to extremities, with just slight loss, and now in a protective cover.