Conciliorum Oecumenicorum Generaliumque Decreta (I): From Nicaea I to Nicaea II (325-787); ed. Giuseppe Alberigo et al. (Brépols, Turnhout, 2006)
Keywords: Ecumenical Councils of the Roman Catholic Church - Nicaea I, Ephesus, Chalcedon, Constantinople II and III, in Trullo, Nicaea II