a. AD 893 ,
Photius ,
Bibliotheca 54.2.6–7 , (entry № 78):
Ἀνεγνώ[σ]θη ΜΑΛΧΟΥ σοφιϛοῦ Βυζαντιακὰ ἐν βιβλίοις ἑπτά. Anegnṓ[s]thē MALKHOU sophistoû Buzantiakà en biblíois heptá. MALCHUS the sophist’s Byzantiaca in seven books was read.
Suda pi.2301:
[1] Πρίσκος, Πανίτης, σοφιστής, γεγονὼς ἐπὶ τῶν χρόνων Θεοδοσίου τοῦ μικροῦ. ἔγραψεν ἱστορίαν Βυζαντιακήν , καὶ τὰ κατὰ Ἄτταλον ἐν βιβλίοις ηʹ· μελέτας τε ῥητορικάς, καὶ ἐπιστολάς. Prískos, Panítēs, sophistḗs, gegonṑs epì tôn khrónōn Theodosíou toû mikroû. égrapsen historían Buzantiakḗn , kaì tà katà Áttalon en biblíois ēʹ; melétas te rhētorikás, kaì epistolás. 2003 translation by Malcolm HeathPriscus of Panium. Sophist. He lived in the time of the younger Theodosius. He wrote a history of Byzantium , and the events concerning Attila (5[sic ] books); rhetorical declamations; and letters.