Columbia subject headings:
Harvard subject headings:
Austria--Social conditions--20th century.
Austria--Social conditions--21st century.
Protest movements--Austria--History--20th century.
Protest movements--Austria--History--21st century.
Social movements--Austria--History--20th century.
Social movements--Austria--History--21st century.
Princeton subject headings:
Austria--Social conditions--20th century.
Austria--Social conditions--21st century.
Protest movements--Austria--History--20th century.
Protest movements--Austria--History--21st century.
Social movements--Austria--History--20th century.
Social movements--Austria--History--21st century.