Brooks, E. W. (1906). "The sources of Theophanes and the Syriac chroniclers." Byzantinische Zeitschrift 15(2): 578-587.
Conterno, M. (2014). La “descrizione dei tempi” all’alba dell’espansione
islamica Un’indagine sulla storiografia greca, siriaca e araba fra VII e VIII secolo, De Gruyter.
Grumel, V. (1958). La chronologie, Presses Universitaires de France.
Hoyland, R. G. (2011). Theophilus of Edessa's Chronicle and the Circulation of Historical Knowledge in Late Antiquity and
Early Islam, Liverpool University Press.
Proudfoot, A. S. (1974). "THE SOURCES OF THEOPHANES FOR THE HERACLIAN DYNASTY." Byzantion 44(2): 367-439.