Columbia subject headings:
Harvard subject headings:
Austria--History--1918-1938
Föderation Revolutionärer Sozialisten "Internationale"--History.
Revolutions and socialism--Austria--History.
Socialism--Austria--History--20th century
Socialism--Europe--History--20th century
Princeton subject headings:
Austria--History--1918-1938.
Föderation Revolutionärer Sozialisten "Internationale"--History.
Revolutions and socialism--Austria--History.
Socialism--Austria--History--20th century.
Socialism--Europe--History--20th century.