Columbia subject headings:
Adriatic question.
Italy--Boundaries--Yugoslavia--History.
Nationalism--Adriatic Sea Region.
Yugoslavia--Boundaries--Italy--History.
Harvard subject headings:
Adriatic question.
Italy--Boundaries--Yugoslavia--History.
Nationalism--Adriatic Sea Region.
Yugoslavia--Boundaries--Italy--History.
Princeton subject headings:
Adriatic question.
Italy--Boundaries--Yugoslavia--History.
Nationalism--Adriatic Sea Region.
Yugoslavia--Boundaries--Italy--History.