Shingonhimitsu jo togo joyo Shingon no Kaisetsu / Commentary on Mantras [Vol. 4 of 8 volume set on the History of Esoteric Buddhism]
Tokyo: Shuppansha, 1975. Hardcover. 8vo, cloth in clear acetate dust jacket (a little worn) in slipcase, very good. 312 pp. Part of a set on the history of Esoteric Buddhism, each volume complete in itself. Uncommon. Text in Japanese.