Columbia subject headings:
Istria (Croatia and Slovenia)--History.
Istria (Croatia and Slovenia)--Relations--Italy--Venice.
Venice (Italy)--Relations--Istria (Croatia and Slovenia)
Harvard subject headings:
Istria (Croatia and Slovenia)--History.
Istria (Croatia and Slovenia)--Relations--Italy--Venice.
Venice (Italy)--Relations--Istria (Croatia and Slovenia)
Princeton subject headings:
Istria (Croatia and Slovenia)--History.
Istria (Croatia and Slovenia)--Relations--Italy--Venice.
Venice (Italy)--Relations--Istria (Croatia and Slovenia).