Columbia subject headings:
Harvard subject headings:
Austria--Boundaries--Italy.
Austria--Foreign relations--Italy.
Italy--Boundaries--Austria.
Italy--Foreign relations--Austria.
Trentino-Alto Adige (Italy)--Politics and government--1945-
Princeton subject headings:
Austria--Boundaries--Italy.
Austria--Foreign relations--Italy.
Italy--Boundaries--Austria.
Italy--Foreign relations--Austria.
Trentino-Alto Adige (Italy)--Politics and government--1945-