The first Greek historians: Hecataeus and Hellanicus, Herodotus, Thucydides, Xenophon, Polybius
The late Roman republic: Julius Caesar, Nepos, Diodorus Siculus, Sallust
The early Roman principate: Augustus and after: Livy, Dionysius of Halicarnassus, Velleius Paterculus, Josephus, Saint Luke
The second century A.D.: Plutarch, Tacitius, Suetonius, Appian, Arrian
The late Roman empire: Dio Cassius, Eusebius, Ammianus Marcellinus.