Bibliography
| L. Kery, Canonical collections of the early Middle Ages (ca. 400-1140). A bibliographical guide to the manuscripts and literature, Washington 1999 (History of medieval canon law, 1), p. 105; M. Hoskin, Prolegomena to a Critical Edition of the Letters of Pope Leo the Great: A Study of the Manuscripts, PhD thesis, Edinburgh 2015, p. 293. |