Columbia subject headings:
Excavations (Archaeology)--Europe--Congresses.
Metal-work--Rome--Congresses.
Metal-work--Rome--Dating--Congresses.
Rome--Commerce--Congresses.
Rome--Foreign relations--30 B.C.-284 A.D.--Congresses.
Harvard subject headings:
Excavations (Archaeology)--Europe--Congresses
Metal-work--Rome--Congresses.
Metal-work--Rome--Dating--Congresses.
Rome--Commerce--Congresses.
Rome--Foreign relations--30 B.C.-284 A.D.--Congresses.
Princeton subject headings:
Excavations (Archaeology)--Europe--Congresses.
Metal-work--Rome--Congresses.
Metal-work--Rome--Dating--Congresses.
Rome--Commerce--Congresses.
Rome--Foreign relations--30 B.C.-284 A.D.--Congresses.