Jones, Charles W., red. (1997): , i 2, Corpus Christianorum Series Latina, 123B, Turnhout: Brepols. ISBN 978-2-503-01235-3 Jones, Charles W., red. (1943): , i , Cambridge, Massachusetts: The Mediaeval Academy of America. Wallis, Faith, overs. (1999/2004): , Liverpool: Liverpool Univ. ISBN 0-85323-693-3.