Columbia subject headings:
Amphitheaters--Italy--Rome.
Rome (Italy)--Antiquities.
Rome (Italy)--Buildings, structures, etc.
Theater architecture--Italy--Rome.
Theater of Marcellus (Rome, Italy)
Harvard subject headings:
Rome (Italy)--Antiquities.
Teatro di Marcello.
Princeton subject headings:
Amphitheaters--Italy--Rome.
Rome (Italy)--Antiquities.
Rome (Italy)--Buildings, structures, etc.
Theater architecture--Italy--Rome.
Theater of Marcellus (Rome, Italy)