This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Corpus Iuris Canonici woodcut. Woodcut from Corpus juris canonici Gregor IX Pont Max Decretales Gregorii IX Pont Max svis Commentariis Illustratae Ab innumeris pene mendis repurgata pristino suo nitori ex antiquorum exemplarium collatione tam in textu quam in glossis optima fide feliciter restituta Quibus addita sunt ex integris