Columbia subject headings:
Amphitheaters--Rome.
Colosseum (Rome, Italy)
Harvard subject headings:
Amphitheaters--Rome--History.
Architecture, Roman--Rome--History.
Colosseum (Rome, Italy)--History.
Interior architecture--Rome--History.
Rome--Buildings, structures, etc.--History.
Stadiums--Rome--History.
Princeton subject headings:
Amphitheaters--Rome.
Colosseum (Rome, Italy)