Columbia subject headings:
Austria--History, Local--Congresses.
Austria--Politics and government--1918-1938--Congresses.
Constitutional history--Austria--Congresses.
Federal government--Austria--History--20th century--Congresses.
Harvard subject headings:
Austria--History, Local--Congresses.
Austria--Politics and government--1918-1938--Congresses.
Constitutional history--Austria--Congresses.
Federal government--Austria--History--20th century--Congresses.
Princeton subject headings:
Austria--History--20th century--Congresses.