Historia Imperatorvm Romanorvm A Constantino Magno ... usq[ue] ad Constantinum postremum, et Constantinopolim a Turcis occupatam ... - Johannes Zonaras -1130; Nikephoros Gregoras 1295-1359; Laonicus Chalcocondyles 1423-1490; Nicetas Choniates 1150-1217 (Feierabendus, 1578)