Columbia subject headings:
Italy--History--1268-1492--Historiography.
Italy--History--476-1268--Historiography.
Harvard subject headings:
Italy--History--1268-1492--Historiography.
Italy--History--476-1268--Historiography.
Princeton subject headings:
Italy--History--1268-1492--Historiography.
Italy--History--476-1268--Historiography.