Columbia subject headings:
Customs administration--Italy--Rome--History.
Rome (Italy)--Commerce--History.
Rome (Italy). Camera Urbis.
Harvard subject headings:
Customs administration--Italy--Rome--History.
Rome (Italy)--Commerce--History.
Rome (Italy). Camera Urbis.
Princeton subject headings:
Customs administration--Italy--Rome--History.
Tariff--Italy--Rome--History.