Columbia subject headings:
Ethnology--Istria (Croatia and Slovenia)--Maps.
Ethnology--Istria--Maps.
Ethnology--Julian March--Maps.
Istria (Romania)--Maps.
Julian March--Maps.
Maps.
Harvard subject headings:
Ethnology--Istria (Croatia and Slovenia)--Maps.
Ethnology--Julian March--Maps.
Istria (Romania)--Maps.
Julian March--Maps.
Princeton subject headings: