Columbia subject headings:
Italy--Foreign relations--1559-1789.
Seven Years' War, 1756-1763--Diplomatic history.
Harvard subject headings:
Italy--Foreign relations--1559-1789.
Seven Years' War, 1756-1763--Diplomatic history.
Princeton subject headings:
Italy--Foreign relations--1559-1789.
Seven Years' War, 1756-1763--Diplomatic history.