Columbia subject headings:
Italy--Relations--Saudi Arabia.
Saudi Arabia--Relations--Italy.
Harvard subject headings:
Italy--Foreign relations--1914-1945.
Italy--Foreign relations--Saudi Arabia.
Italy--Relations--Saudi Arabia.
Saudi Arabia--Foreign relations--20th century.
Saudi Arabia--Foreign relations--Italy.
Saudi Arabia--Relations--Italy.
Princeton subject headings:
Italy--Relations--Saudi Arabia.
Saudi Arabia--Relations--Italy.