Columbia subject headings:
Austria--Politics and government--1918-1938--Congresses.
Bauer, Otto, 1881-1938--Congresses.
Statesmen--Austria--Biography--Congresses.
Harvard subject headings:
Austria--Politics and government--1918-1938--Congresses.
Bauer, Otto, 1881-1938--Congresses.
Statesmen--Austria--Biography--Congresses.
Princeton subject headings:
Austria--Politics and government--1918-1938--Congresses.
Bauer, Otto, 1881-1938--Congresses.
Communism--Congresses.
Socialism--Austria--Congresses.