Plutarch, Livy, Julius Caesar, Emperor Of Rome Augustus, Suetonius, Tacitus, Polybius, Marcus Aurelius, Harold Whetstone Johnston, Edward Gibbon, Theodor Mommsen, A. H. J. Greenidge, John Bagnell Bury, Samuel Griswold Goodrich, Marc Monnier, Evelyn S. Shuckburgh, W. Lucas Collins