ISIDORE of Seville (c.570-636). Etymologiarum opus. Idem De summo bono. [Venice: B. Locatellus, ?1510]. 2 parts in one volume, 2° (305 x 210mm). Woodcut illustrations and diagrams, one full-page and including Isidore's world map, woodcut initials, some large. (Piece cut away from lower margin of title and crudely replaced, hole in D1 affecting text, a1&8 very browned.) 18th-century Italian cartone alla rustica (spine worn). Provenance: S. Venturi (ownership inscription on title) -- Compagnia del Gesú (book label).