Columbia subject headings:
Appian Way (Italy)--Congresses.
City planning--Italy--Rome--Congresses.
Landscape protection--Italy--Rome--Congresses.
Regional planning--Italy--Rome--Congresses.
Rome (Italy)--Antiquities, Roman--Congresses.
Urban landscape architecture--Italy--Rome--Congresses.
Harvard subject headings:
Appian Way (Italy)--Congresses.
City planning--Italy--Rome--Congresses.
Landscape protection--Italy--Rome--Congresses.
Regional planning--Italy--Rome--Congresses.
Rome (Italy)--Antiquities, Roman--Congresses.
Urban landscape architecture--Italy--Rome--Congresses.
Princeton subject headings:
Appian Way (Italy)--Congresses.
City planning--Italy--Rome--Congresses.
Landscape protection--Italy--Rome--Congresses.
Regional planning--Italy--Rome--Congresses.
Rome (Italy)--Antiquities, Roman--Congresses.
Urban landscape architecture--Italy--Rome--Congresses.