Columbia subject headings:
France--Antiquities, Roman.
Nîmes (France)--Buildings, structures, etc.
Walls, Roman--France--Nîmes--Congresses.
Harvard subject headings:
France--Antiquities, Roman--Congresses.
Walls, Roman--Congresses.
Walls, Roman--France--Congresses.
Princeton subject headings:
France--Antiquities, Roman--Congresses.
Rome--Antiquities--Congresses.
Walls, Roman--Congresses.
Walls, Roman--France--Congresses.