The nature and impact of multi-category prisoner populationsDavid Shewan · First published 1999Open the Tome
Drug Use and Scottish PrisonsDavid Shewan, Martin Gemmell, John B. Davies · First published 1994Open the Tome
Evaluation of the Saughton Drug Reduction Programme: Summary Report (Scottish Prison Service Occasional Paper: 11 1994)David Shewan · First published 1994Open the Tome