Columbia subject headings:
Autonomes Jugendzentrum.
Riots--Switzerland--Zurich.
Youth--Political activity--Switzerland--Zurich.
Harvard subject headings:
Demonstrations--Switzerland--Zurich.
Riots--Switzerland--Zurich.
Youth centers--Political aspects--Switzerland--Zurich.
Youth centers--Switzerland--Zurich.
Youth--Political activity--Switzerland--Zurich.
Youth--Switzerland--Zurich--Political activity.
Princeton subject headings: