Columbia subject headings:
Harvard subject headings:
Archives--Italy--Congresses.
Cultural property--Protection--Italy--Congresses
Etruria--History.
Italy--History, Local--Sources--Congresses.
Lazio (Italy)--History--Sources--Congresses.
Princeton subject headings:
Historiography--Congresses.
History--Archival resources--Congresses.
History--Research--Congresses.