Columbia subject headings:
Harvard subject headings:
Diplomatic and consular service, Italian--Italy--Venice--Records and correspondence.
Diplomatic and consular service, Italian--Records and correspondence.
Diplomatic and consular service, Papal States--Records and correspondence.
Italy--Foreign relations--Turkey--Records and correspondence.
Italy--Foreign relations--Turkey.
Turkey--Foreign public opinion, Italian--History--Records and correspondence.
Turkey--Foreign relations--Italy--Records and correspondence.
Turkey--Foreign relations--Italy.
Turkey--History--Ottoman Empire, 1288-1918.
Princeton subject headings:
Italy--Foreign relations--Turkey.
Turkey--Foreign relations--Italy.