1.
Oliver, Dawn & Fusaro, Carlo. How Constitutions Change: A Comparative Study. (Hart, Oxford, 2011).
2.
Zweigert, Konrad & Kötz, Hein. Introduction to Comparative Law. (Clarendon Press, Oxford, 1998).
3.
Jackson, Vicki C. & Tushnet, Mark V. Defining the Field of Comparative Constitutional Law. (Praeger, Westport, Conn, 2002).
4.
Harding, Andrew, Örücü, E., & W.G. Hart Workshop. Comparative Law in the 21st Century. vol. W.G. Hart legal workshop series (Kluwer Law International, London, 2002).
5.
Bell, J. Chapter 13: Comparing public law. in Comparative law in the 21st century vol. W.G. Hart legal workshop series 235–247 (Kluwer Law International, London, 2002).
6.
Örücü, E. & Nelken, David. Comparative Law: A Handbook. (Hart, Oxford, 2007).
7.
Nelken, David. Comparing Legal Cultures. vol. Socio-legal studies series (Dartmouth, Aldershot, 1997).
8.
Wheare, K. C. Modern Constitutions. vol. Oxford paperbacks university series (Oxford University Press, London).
9.
Oliver, Dawn & Fusaro, Carlo. How Constitutions Change: A Comparative Study. (Hart, Oxford, 2011).
10.
Kontiadēs, Xenophōn I. Engineering Constitutional Change: A Comparative Perspective on Europe, Canada, and the USA. vol. Routledge research in constitutional law (Routledge, London, 2013).
11.
Venice Commission Report on Constitutional Amendment, CDL-AD(2010)001. http://www.venice.coe.int/webforms/documents/CDL-AD%282010%29001.aspx.
12.
Heringa, A. W. & Kiiver, Philipp. Constitutions Compared: An Introduction to Comparative Constitutional Law. vol. Ius commune europaeum (Intersentia, Antwerp, 2009).
13.
Zimmermann, Reinhard & Reimann, Mathias. The Oxford Handbook of Comparative Law. (Oxford University Press, Oxford, 2006).
14.
Tushnet, M. Chapter 38: Comparative constitutional law. in The Oxford handbook of comparative law 1225–1257 (Oxford University Press, Oxford, 2006).
15.
Cotterrell, R. Chapter 21: Comparative law and legal culture. in The Oxford handbook of comparative law 710–737 (Oxford University Press, Oxford, 2006).
16.
Ackerman, B. The living constitution. The Living Constitution 120, 1738–1812 (2007).
17.
Goldsworthy, Jeffrey Denys. Interpreting Constitutions: A Comparative Study. (Oxford University Press, Oxford, 2007).
18.
Prakke, L., Kortmann, C. A. J. M., & Brandhof, J. C. E. van den. Constitutional Law of 15 EU Member States. (Kluwer, Deventer, 2004).
19.
Andenæs, Mads Tønnesson. The Creation and Amendment of Constitutional Norms. (BIICL, [London], 2000).
20.
Schwarze, Jürgen. The Birth of a European Constitutional Order: The Interaction of National and European Constitutional Law. vol. Schriftenreihe europäisches Recht, Politik und Wirtschaft (Nomos, Baden-Baden, 2001).
21.
Finer, S. E., Bogdanor, Vernon, & Rudden, Bernard. Comparing Constitutions. (Clarendon, Oxford, 1995).
22.
New York University. International journal of constitutional law: I·CON.
23.
Saunders, Cheryl. The Constitution of Australia: A Contextual Analysis. vol. Constitutional systems of the world (Hart, Oxford, 2011).
24.
Husa, Jaakko. The Constitution of Finland: A Contextual Analysis. vol. Constitutional systems of the world (Hart, Oxford, 2011).
25.
Boyron, Sophie. The Constitution of France: A Contextual Analysis. vol. Constitutional systems of the world (Hart, Oxford, 2013).
26.
Heun, Werner. The Constitution of Germany: A Contextual Analysis. vol. Constitutional systems of the world (Hart, Oxford, 2011).
27.
Klug, Heinz. The Constitution of South Africa: A Contextual Analysis. vol. Constitutional systems of the world (Hart, Oxford, 2010).
28.
Leyland, Peter. The Constitution of the United Kingdom: A Contextual Analysis. vol. Constitutional systems of the world (Hart Pub, Oxford, 2012).
29.
Tushnet, M. V. The Constitution of the United States of America: A Contextual Analysis. vol. Constitutional systems of the world (Hart Publishing, Oxford, 2015).
30.
Shigenori Matsui. The Constitution of Japan. (Hart Pub., Oxford, 2011).
31.
Mark Sidel. The Constitution of Vietnam. (Hart Pub., Oxford, 2009).
32.
Contiades, X. & Fotiadou, A. Models of constitutional change. in Engineering constitutional change: a comparative perspective on Europe, Canada, and the USA vol. Routledge research in constitutional law 417–468 (Routledge, London, 2013).