Coffey, Emer and Young, David (2004) Guidance for hepatitis A and B vaccination of drug users in primary care and criteria for audit. London: Royal College of General Practitioners.

Ford, Chris and Halliday, Kate and Foster, Graham and Gore, Charles and Jack, Kate and Rowan, Nicola and Sander-Hess, Carola and Saville, Sebastian and Thomson, Brian and Willott, Stephen and Wright, Nat and Young, David (2007) Guidance for the prevention, testing, treatment and management of hepatitis C in primary care. London: Royal College of General Practitioners.

[Belfast Telegraph] , Young, David NI:70% of those on probation battling drugs or alcohol. (25 Aug 2014)

[Independent.ie] , Young, David Brazen drug dealers sending cannabis by post, detective warns. (01 Jan 2018)