IMPERIUM ET CREDO: Frankish-Byzantine Rivalry over Leadership of the Roman-Christian Credo-State in the Ninth Century–By Elijah Wallace April 13, 2018April 13, 2018 by Nous Logos Aesthesis, posted in Historical Linguistics IMPERIUM ET CREDO: Frankish-Byzantine Rivalry over Leadership of the Roman-Christian Credo-State in the Ninth Century–By Elijah Wallace