Columbia subject headings:
Austria--Foreign relations--1945-1955.
Austria--Foreign relations--Czechoslovakia.
Austria--Foreign relations--Hungary.
Czechoslovakia--Foreign relations--Austria.
Hungary--Foreign relations--Austria.
Harvard subject headings:
Austria--Foreign relations--1945-
Austria--Foreign relations--Czechoslovakia.
Austria--Foreign relations--Hungary.
Czechoslovakia--Foreign relations--Austria.
Hungary--Foreign relations--Austria.
Princeton subject headings:
Austria--Foreign relations--1945-1955.
Austria--Foreign relations--1955-
Austria--Foreign relations--Czechoslovakia.
Austria--Foreign relations--Hungary.
Czechoslovakia--Foreign relations--Austria.
Hungary--Foreign relations--Austria.