| Tous pour un, un pour tous! Coherence in the External Relations of the European Union C Hillion Coherence in the External Relations of the European Union (March 6, 2014). M …, 2014 | 131 | 2014 |
| The Copenhagen criteria and their progeny C Hillion EU enlargement (Oxford, Hart Publishing, 2004), 2014 | 128 | 2014 |
| The creeping nationalisation of the EU enlargement policy C Hillion Swedish Institute for European Policy Studies (SIEPS), 2010 | 127 | 2010 |
| Mixed agreements revisited: the EU and its member states in the world C Hillion, P Koutrakos Bloomsbury Publishing, 2010 | 121 | 2010 |
| L'Union fait la force? potential and limitations of the European neighbourhood policy as an integrated EU foreign and security policy M Cremona, C Hillion EUI LAW Working Paper, 2006 | 113 | 2006 |
| Overseeing the rule of law in the EU: legal mandate and means C Hillion Reinforcing rule of law oversight in the European Union. Cambridge …, 2016 | 106 | 2016 |
| Competence distribution in EU external relations after Ecowas: Clarification or continued fuzziness? C Hillion Common market law review 46 (2), 2009 | 93 | 2009 |
| The general law of EC external relations A Dashwood, C Hillion (No Title), 2000 | 79 | 2000 |
| Enlargement of the European Union-The discrepancy between membership obligations and accession conditions as regards the protection of minorities C Hillion Fordham Int'l LJ 27, 715, 2003 | 70 | 2003 |
| Mixity and coherence in EU external relations: the significance of the duty of cooperation C Hillion TMC Asser Institute, 2009 | 62 | 2009 |
| Partnership and Cooperation Agreements between the EU and the New Independent States of the ex-Soviet Union C Hillion European Foreign Affairs Review 3 (3), 1998 | 60 | 1998 |
| Mapping-Out the New Contractual Relations between the European Union and Its Neighbours: Learning from the EU–Ukraine ‘Enhanced Agreement’ C Hillion European Foreign Affairs Review 12 (2), 2007 | 57 | 2007 |
| EU enlargement: a legal approach C Hillion Bloomsbury Publishing, 2004 | 57 | 2004 |
| EU enlargement C Hillion EU Enlargement, 1-288, 2004 | 55 | 2004 |
| A powerless court? The European Court of Justice and the EU Common Foreign and Security Policy C Hillion The European Court of Justice and the EU Common Foreign and Security Policy …, 2014 | 49 | 2014 |
| EEAS 2.0: A legal commentary on Council Decision 2010/427/EU establishing the organisation and functioning of the European External Action Service S Blockmans, C Hillion, M Cremona, D Curtin, G De Baere, S Duke, ... CEPS Paperbacks, 2013 | 49 | 2013 |
| Withdrawal under article 50 TEU: an integration-friendly process C Hillion Common Market Law Review 55 (Special), 2018 | 47 | 2018 |
| The Eastern Partnership-something new or window-dressing C Hillion, A Mayhew | 47 | 2008 |
| Restraining external competences of EU member states under CFSP C Hillion, RA Wessel EU foreign relations law: Constitutional fundamentals, 79-121, 2008 | 46 | 2008 |
| EU member states and enlargement towards the Balkans R Balfour, C Stratulat, G Avery, C Hillion, C Adebahr, T Töglhofer, ... EU Member States and Enlargement towards the Balkans, 250, 2015 | 44 | 2015 |
