Strengthening the Foundations: Modernizing the Canada Health Act (Discussion Paper No. 13, Royal Commission on the Future of Health Care in Canada, 2002, 46 pp.) (with C.M. Flood) (reprinted in T. McIntosh, G.P. Marchildon & P.-G. Forest, eds., The Governance of Health Care in Canada: The Romanow Papers, Volume III (Toronto: University of Toronto Press, 2003) 346-387).
Review Essay of Judicial Power and the Charter: Canada and the Paradox of Liberal Constitutionalism, 2d ed. by C.P. Manfredi (2003) 1 International Journal of Constitutional Law 379-90.
The City We Want – The Government We Need: The Report of the Governing Toronto Advisory Panel (City of Toronto, 2005, 50 pp.) (with A. Buller & M. Connell).
“The Canadian Constitution and the World” in N. DesRosiers, P Macklem & P. Oliver, eds., Oxford Handbook of the Canadian Constitution (Oxford University Press, 2017) 1075-1102.
“Resisting Democratic Backsliding: An Essay on Weimar, Self-Enforcing Constitutions, and the Frankfurt School” (2018) 7 Global Constitutionalism 54-74.
“Will democracy die in darkness? Calling autocracy by its name”, in M. Graber, S. Levinson & M. Tushnet, eds., Constitutional Democracies in Crisis? (Oxford University Press, 2018) 571-584.
Territory and Power in Constitutional Transitions (Center for Constitutional Transitions, Forum of Federations, and International IDEA, 2019) (with G. Anderson).
Constitutional Transitions and Territorial Cleavages (with G. Anderson) (The Center for Constitutional Transitions and International IDEA, 2015).
“Locating Indian Constitutionalism” in S. Choudhry, M. Khosla & P.B. Mehta, eds., Oxford Handbook of the Indian Constitution (Oxford University Press, 2016) 1-14 (with M. Khosla & P.B. Mehta).
“Transnational constitutionalism and a limited doctrine of unconstitutional constitutional amendment: A reply to Rosalind Dixon and David Landau”, (2017) 15 International Journal of Constitutional Law 826-832.
Semi-presidentialism and Inclusive Governance in Ukraine: Reflections for Constitutional Reform (with T. Sedelius & J. Kyrychenko) (The Center for Constitutional Transitions, the Center of Policy and Legal Reform, and International IDEA, 2018) (also translated into Ukrainian).
“Territorial Cleavages and Constitutional Transitions: Political Mobilization, Constitution-Making Process and Constitutional Design” in G. Anderson & S. Choudhry, eds., Territory and Power in Constitutional Transitions (Oxford University Press, 2019) (with G. Anderson), 374-428.
Constitutional Transitions in the Middle East, (2013) 11 International Journal of Constitutional Law 553-831 (symposium issue; editor).
The Evolving Concept of Citizenship in Constitutional Law, (2010) 8 International Journal of Constitutional Law 6-130 (symposium issue; co-editor with C. Saunders).
Education, Administration, and Justice: Essays in Honour of Frank Iacobucci, (2007) 57 University of Toronto Law Journal 129-606 (symposium issue; co-editor with P. Macklem, D. Schneiderman & L. Austin).
Constitutionalism in Divided Societies, (2007) 5 International Journal of Constitutional Law 573-753 (symposium issue; editor).