Columbia subject headings:
Archives--Italy--Catalogs.
Italy--Archival resources--Catalogs.
Harvard subject headings:
Archives--Italy--Directories--Bibliography--Catalogs.
Italy--Archival resources--Directories--Bibliography--Catalogs.
Italy. Ufficio centrale per i beni archivistici--Catalogs.
Princeton subject headings:
Archival resources--Italy--Catalogs.
Archives--Italy--Bibliography--Catalogs.
Italy--Archival resources--Catalogs.
Italy--History--Sources--Bibliography--Catalogs.