Cambridge: Harvard University Press, 1968. 8vo.,pp. xix,314, burgundy cloth, black title band and gilt lettering to spine; ex-library with printed acquisition numbers to title page, plain white stickers covering up library markings to front free endpaper, light toning to margins, adhesive staining to endpapers and to front and rear boards, with a small stain to lower edge of text block, a good+ copy, in a price-clipped dust-jacket, which is lightly sunned to spine with marking where label has been removed, overall very good.