P Craig, The Lisbon Treaty: Law, Politics, and Treaty Reform (Oxford, Oxford University Press, 2010) 155–92
T Tridimas, ‘Competence after Lisbon: The Elusive Search for Bright Lines’ in D Ashiagbor, N Countouris, I Lianos (eds), The European Union after the Treaty of Lisbon (Cambridge, Cambridge University Press, 2012) 47–76
LS Rossi, ‘Does the Treaty of Lisbon Provide a Clearer Separation of Competences between the EU and Member States?’ in A Biondi, P Eeckhout and S Ripley (eds), EU law After Lisbon (Oxford, Oxford University Press, 2012) 85–106.
S Peers, “The final EU/Turkey refugee deal: a legal assessment”, EU Legal Analysis Blog, http://eulawanalysis.blogspot.co.uk/2016/03/the-final-euturkey-refugee-deal-legal.html