1. Bruce Ackerman (1991)We The People: Foundations, Belknap Press.
2. Trevor Allen (1993)Law, Liberty and Justice: The Legal Foundations of British Constitutionalism, Clarendon Press.
3. Trevor Allen (1996) ‘The Common Law as Constitution: Fundamental Rights and First Principles’, in C Saunders (ed),Courts of Final Jurisdiction, Federation Press.
4. Walter Bagehot (1963)The English Constitution, Fontana.
5. Anthony Birch (1969)Representative and Responsible Government, University of Toronto Press.