D'Onofrio, SandroIsidore of SevilleIn: A companion to philosophy in the Middle AgesS. 328 - 329Oxford; Blackwell 2003Online editions:books.google.com/books?id=hRJT7O-uNooC&pg=PA328LanguageenglishKeywordsEtymologiaeIsidore of SevilleUniform titleIsidore of Seville
