Columbia subject headings:
Art and state--Rome.
Emperors--Rome--Art.
Emperors--Rome--Portraits.
Nobility--Rome--Art.
Rome--History--Empire, 30 B.C.-284 A.D.
Harvard subject headings:
Emperors in art.
Emperors in literature.
Emperors--Rome--Portraits
Rome--History--Empire, 30 B.C.-284 A.D.
Princeton subject headings:
Emperors in art.
Emperors in literature.
Emperors--Rome--Portraits.
Portraits.
Rome--History--Empire, 30 B.C.-284 A.D.