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Shalev, S. (2008) Chapter 2 ‘The Health Effects of Solitary Confinement’ in A Sourcebook on Solitary Confinement. http://solitaryconfinement.org/uploads/sourcebook_web.pdf.
Lloyd, M (2012) Guest Editor, Prison Service Journal special edition on Combating Extremism and Terrorism. No 203. http://www.crimeandjustice.org.uk/opus1965/PSJ_September_2012_No._203.pdf.
Shalev, S. & Lloyd, M. (2011) “Though this be method, yet there is madness in’t”. Commentary on a one year longitudinal study of the psychological effects of administrative segregation. Corrections & Mental Health. 21 June 2011. http://community.nicic.gov/blogs/mentalhealth/.
Signatory to the Istanbul statement on the use and effect of solitary confinement, adopted at the International Psychological Trauma Symposium in Istanbul in Dec, 2007. http://solitaryconfinement.org/istanbul
Lloyd M (2010) Extremism: A Research Digest , NOMS internal publication, classified
Lloyd M (2010) Extremist Risk Guidance 22+, NOMS internal publication, classified