Diane Murley (11 November 2006). "Glossary of Legal Research Terms". Southern Illinois University School of Law Library. Archived from the original on 5 April 2016. Retrieved 17 November 2015.
"Legislation". Faculty of Law & Bodleian Law Library. Archived from the original on 23 August 2015. Retrieved 17 November 2015.
Diane Murley (11 November 2006). "Glossary of Legal Research Terms". Southern Illinois University School of Law Library. Archived from the original on 5 April 2016. Retrieved 17 November 2015.