Columbia subject headings:
Coins, Roman.
Emperors--Rome--Portraits.
Emperors--Rome.
Empresses--Rome--Portraits.
Empresses--Rome.
Harvard subject headings:
Coins, Roman.
Emperors--Rome
Emperors--Rome--Portraits
Empresses--Rome
Empresses--Rome--Portraits.
Princeton subject headings:
Coins, Roman.
Emperors--Rome--Portraits.
Emperors--Rome.
Empresses--Rome--Portraits.
Empresses--Rome.
Portraits.