A Knight's battle with Vices. Treatise on the Vices. England; between 1255 and 1265. [Whole opening] A symbolic diagram showing a knight on horseback, with a shield having a device symbolic of the Trinity, crowned by an angel, with seven doves before him symbolising the gifts of the Holy Spirit. They are confronting a page of devils, representing the vices Image taken from Treatise on the Vices. Originally published/produced in England; between 1255 and 1265. . Source: Harley 3244, ff.27v-28. Language: Latin.