Special Patrol Group (SPG) in Northern Ireland and also London Metropolitan Police.

Journals

Constabulary Gazette, Dec 1978
Constabulary Gazette, Oct 1978
Constabulary Gazette, Sep 1978
Police, May 1978
Constabulary Gazette, Dec 1976
Constabulary Gazette, Nov 1976
Constabulary Gazette, Oct 1976
Constabulary Gazette, Jul 1976
Constabulary Gazette, Jun 1976
Constabulary Gazette, Feb 1976
Constabulary Gazette, Jan 1976
Constabulary Gazette, Apr 1975
Constabulary Gazette, Feb 1975
Constabulary Gazette, Jan 1975
Constabulary Gazette, Dec 1974
Constabulary Gazette, Nov 1974
Constabulary Gazette, Oct 1974
Constabulary Gazette, Sep 1974
Constabulary Gazette, Jul 1974
Constabulary Gazette, Jun 1974