Found in articles
Mungon ose është bosh parametri |language= (Ndihmë!) Loyn, H. R. (1989). "Great Schism". përmbledhur nga Loyn, H. R. (red.). The Middle Ages: A Concise Encyclopedia
Raiding Saint Peter: Empty Sees, Violence, and the Initiation of the Great Western Schism (1378), Leiden; Boston: Brill, ISBN 90-04-16560-6 ISBN 978-90-04-16560-1
the East, the revolts of George Maniakes and Leo Tornikios, and the Great Schism between the patriarchates of Rome and Constantinople. <b id="mwBMI">Michael