Mihai Vasile, Orthodox canon law reference book, Brookline, Massachusetts, Holy Cross Orthodox Press, , 5 p. (ISBN978-1-935317-45-6, OCLC856076162), « Introduction »
Charles A. Heurtley et Paul A., Sr. Böer, The commonitory of St. Vincent of Lerins : for the antiquity and universality of the Catholic faith against the profane novelties of all heresies, (ISBN978-1-4792-5017-2 et 1-4792-5017-1, OCLC881732650, lire en ligne)
Spyros Troianos, The history of Byzantine and Eastern canon law to 1500, Washington, D.C., Catholic University of America Press, coll. « History of Medieval canon law, 4 », , 119 p. (ISBN978-0-8132-1947-9, OCLC815276580), « Canon law to 1100 »