Columbia subject headings:
Harvard subject headings:
Austria--Economic conditions--20th century--Congresses.
Austria--Economic conditions--21st century--Congresses.
Austria--Politics and government--20th century--Congresses.
Austria--Politics and government--21st century--Congresses.
Princeton subject headings:
Austria--Economic conditions--1945---Congresses.
Austria--Foreign economic relations--Europe, Eastern--Congresses.
Europe, Eastern--Foreign economic relations--Austria--Congresses.