These commentators supplied materials to Suetonius for the life on which that of Aelius Donatus, which is still extant, is founded. The Roman Poets of the Augustan Age: Virgil
Aelius Donatus, a grammarian who flourished at Rome about A.D. The Student's Companion to Latin Authors
Aelius Donatus, the grammarian, in the fourth century, one of the preceptors of St. Jerome. v. Divine Comedy, Cary's Translation, Complete