Columbia subject headings:
Italy--History--476-1492--Archival resources--Periodicals.
Italy--History--476-1492--Periodicals.
Harvard subject headings:
Italy--History--476-1492--Archival resources--Periodicals.
Italy--History--476-1492--Periodicals.
Princeton subject headings:
Italy--History--476-1492--Archival resources--Italy--Periodicals.
Italy--History--476-1492--Periodicals.
Periodicals.