On the various variants of the titles used by the Byzantine writers, cf. Guilland 1967b, pp. 429–430 Guilland, Rodolphe (1967). "Le Domestique des Scholes". Recherches sur les institutions byzantines [Studies on the Byzantine Institutions]. Berliner byzantinische Arbeiten 35 (in French). Vol. I. Berlin and Amsterdam: Akademie-Verlag & Adolf M. Hakkert. pp. 426–468. OCLC878894516.
On the various variants of the titles used by the Byzantine writers, cf. Guilland 1967b, pp. 429–430 Guilland, Rodolphe (1967). "Le Domestique des Scholes". Recherches sur les institutions byzantines [Studies on the Byzantine Institutions]. Berliner byzantinische Arbeiten 35 (in French). Vol. I. Berlin and Amsterdam: Akademie-Verlag & Adolf M. Hakkert. pp. 426–468. OCLC878894516.