Columbia subject headings:
Demonstrations--Great Britain--Case studies.
Riots--Great Britain--Case studies.
Violence--Great Britain--Case studies.
Violence.
Harvard subject headings:
Demonstrations--Great Britain--Case studies.
Riots--Great Britain--Case studies.
Violence--England--South Yorkshire--Case studies.
Violence--Great Britain--Case studies.
Princeton subject headings:
Demonstrations--Great Britain--Case studies.
Riots--Great Britain--Case studies.
Violence--England--South Yorkshire--Case studies.
Violence--Great Britain--Case studies.