Columbia subject headings:
Police administration--England.
Police--England.
Police-community relations--England.
Riots--England--History--20th century.
Social conflict--England--History--20th century.
Harvard subject headings:
Police administration--England.
Police--England
Police-community relations--England.
Riots--England--History--20th century.
Social conflict--England--History--20th century.
Princeton subject headings:
Police administration--England.
Police--England.
Public relations--England--Police.
Riots--England--History--20th century.
Social conflict--England--History--20th century.