Columbia subject headings:
Harvard subject headings:
Avidius Cassius, Gaius, approximately 120-175.
Rome--History--Marcus Aurelius, 161-180.
Princeton subject headings:
Avidius Cassius, Gaius, approximately 120-175.
Generals--Rome--Biography.
Rome--History--Antonius Pius, 138-161.
Rome--History--Marcus Aurelius, 161-180.