1. Davie v Edinburgh Magistrates 1953 SLT 54
2. Criminal Procedure Rules (England and Wales) 2014 http://www.justice.gov.uk/courts/procedure-rules/criminal/rulesmenu
3. Federal Evidence Review: Federal Rules of Evidence 2015 http://federalevidence.com/downloads/rules.of.evidence.pdf
4. Forensic Science Regulator for England and Wales 2015 https://www.gov.uk/government/organisations/forensic-science-regulator
5. Forensic Science Regulator: Codes of practice and conduct for forensic science providers and practitioners in the criminal justice system, Version 2.0 2014 https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/351197/The_FSR_Codes_of_Practice_and_Conduct_-_v2_August_2014.pdf