CambridgeCambridge University Press. 1913. [Vol. I]: xv, [2]; 2 - 685. Black & white portrait frontispiece and tissue guard, one further black & white reproduction in text. [Vol. II]: vii, [2], 2 - 598 pp. Black and white portrait frontispiece with tissue guard, and one further black & white reproduction in text. [Vol III]: vii, [2], 2- - 653 pp. Black & white portrait frontispiece with tissue guard; another portrait in text. All volumes bound in publisher's cloth. 8vo. On all volumes the gilt title and publisher's name and emblem on spine has been almost completely rubbed off; Volume III has a scratch to the front board. Else, a very good and clean set.