Colombi, Emanuela. Alcune riflessioni sull’Istoria Veneticorum del diacono Giovanni e il prologo della Translatio Marci evangelistae (bhl 5283-5284) in Studi Veneziane N. S. LXIV (2011). Pisa Roma, Fabrizio Serra Editore, 2012.
This document is the earliest description of the translation of St Mark to Venice in 827–828, and also of early Venice. This is a translation by René Seindal.