Columbia subject headings:
Harvard subject headings:
Archives--Italy
Italy--Archival resources.
Princeton subject headings:
Economics--Italy--Lazio--Archival resources.
Economics--Italy--Rome--Archival resources.
Industries--Italy--Lazio--Archival resources.
Industries--Italy--Rome--Archival resources.
Lazio (Italy)--Archival resources.
Rome (Italy)--Archival resources.