Columbia subject headings:
Commodus, Emperor of Rome, 161-192.
Emperors--Rome--Biography--History and criticism.
Rome--History--Commodus, 180-192.
Scriptores historiae Augustae.
Harvard subject headings:
Commodus, Emperor of Rome, 161-192.
Emperors--Rome--Biography--History and criticism
Rome--History--Commodus, 180-192
Scriptores historiae Augustae.
Princeton subject headings: