Andrew Blick, Beyond Magna Carta: A Constitution for the United Kingdom (Hart Publishing, 2015)

Cabinet Office, Ministerial Code (December 2016), http://www.civilservant.org.uk/library/2016_ministerial_code.pdf

Cabinet Office, The Cabinet Manual: A guide to laws, conventions and rules on the operation of government (October 2011), https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/60641/cabinet-manual.pdf

House of Commons Political and Constitutional Reform Committee, ‘A New Magna Carta?’ (leaflet), https://www.parliament.uk/documents/commons-committees/political-and-constitutional-reform/Magna%20Carta%20Report%20leaflet.pdf

House of Commons Political and Constitutional Reform Committee, Report: A new Magna Carta?, https://www.parliament.uk/business/committees/committees-a-z/commons-select/political-and-constitutional-reform-committee/inquiries/parliament-2010/mapping-the-path-to-codifying---or-not-codifying---the-uks-constitution/report-a-new-magna-carta/