- Andrew Blick, Beyond Magna Carta: A Constitution for the United Kingdom (Hart Publishing, 2015)
- Cabinet Office, Ministerial Code (August 2019)
- Cabinet Office, The Cabinet Manual: A guide to laws, conventions and rules on the operation of government (October 2011)
- House of Commons Political and Constitutional Reform Committee, ‘A New Magna Carta?’ (leaflet)
- House of Commons Political and Constitutional Reform Committee, Report: A new Magna Carta?