Columbia subject headings:
Harvard subject headings:
Architecture, Roman--Italy--Rome--Congresses.
Campo Marzio (Rome, Italy)--Antiquities--Congresses.
Excavations (Archaeology)--Italy--Rome--Congresses.
Rome (Italy)--Buildings, structures, etc.
Princeton subject headings:
Architecture, Roman--Italy--Rome--Congresses.
Campo Marzio (Rome, Italy)--Antiquities--Congresses.
Excavations (Archaeology)--Italy--Rome--Congresses.
Rome (Italy)--Buildings, structures, etc.