Columbia subject headings:
Germany--Relations--Italy.
Historiography--Germany--History.
Historiography--Italy--History.
Italy--Relations--Germany.
Harvard subject headings:
Germany--Relations--Italy.
Historiography--Germany--History
Historiography--Italy--History.
Italy--Relations--Germany.
Princeton subject headings:
Germany--Relations--Italy.
Historiography--Germany--History.
Historiography--Italy--History.
Italy--Relations--Germany.