Blaum, Paul A. (1994). The Days of the Warlords: A History of the Byzantine Empire, A.D. 969-991 (на језику: енглески). University Press of America. стр. 5—6. ISBN978-0-8191-9657-6. „The fact that the Sclerus family had a Greek surname (skleros: "hard", or "severe”) indicates, however, that its founding father may have been at least partly Greek; Byzantines of purely Armenian origin generally had surnames that were recognizably Armenian with a Greek suffix. Of the immediate ancestry of Bardas Sclerus, little is known.”
