Columbia subject headings:
Harvard subject headings:
Austria--Foreign relations--1955---Congresses.
Austria--Foreign relations--Europe, Eastern--Congresses.
Austria--International status--Congresses.
Cold War--Congresses
Europe, Eastern--Foreign relations--1945-1989--Congresses.
Europe, Eastern--Foreign relations--Austria--Congresses.
Neutrality--Austria--History--20th century--Congresses.
Neutrality--Political aspects--Austria--History--20th century--Congresses.
Princeton subject headings:
Austria--Foreign relations--1955---Congresses.
Austria--Foreign relations--Europe, Eastern--Congresses.
Austria--International status--Congresses.
Cold War--Congresses.
Europe, Eastern--Foreign relations--1945-1989--Congresses.
Europe, Eastern--Foreign relations--Austria--Congresses.
Neutrality--Austria--History--20th century--Congresses.
Neutrality--Political aspects--Austria--History--20th century--Congresses.