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Roger Billingsley
Identifiers
Open Library
OL3261615A
Top Subjects
Law (1)
General (1)
Books by Roger Billingsley
Total count: 4
Informers
Policing, Policy, Practice
Willan Pub
2000-09-01
Covert human intelligence sources
the 'unlovely' face of police work
Waterside Press
2009-01-01
Covert human intelligence sources
the 'unlovely' face of police work
Waterside Press
2009-01-01
Informers
Policing, Policy, Practice
Willan Publishing
2013-01-01
