Reference list
- List of Interviews
- Interview A – In person, 26 January 2022. EU Member State Official.
- Interview B – Online, 28 January 2022. EU Member State Official.
- Interview C – Online, 28 January 2022. EU Official.
- Interview D – Phone Conversation, 31 January 2022. EU Official.
- Interview E – Online, 31 January 2022. EU Official.
- Interview F – In person, 1 February 2022. EU Member State Official.
- Interview G – Online, 2 February 2022. EU Official.
- Interview H – Online, 3 February 2022. EU Official.
- Interview I – In person, 4 February 2022. EU Member State Official.
- Interview J – Online, 4 February 2022. EU Official.
- Interview K – Online, 10 February 2022. EU Member State Official.
- Interview L – Online, 11 February 2022. EU Member State Official.
- Interview M – Online, 15 February 2022. EU Official.
- Interview N – Online, 16 February 2022. EU Official.
- Interview O – Online, 16 February 2022. EU Member State Official.
- Interview P – Phone Conversation, 21 February 2022. EU Member State Official.
- Interview Q – Online, 4 March 2022. EU Official.
- Interview R – In person, 4 July 2022. EU Official.
- Interview S – In person, 4 July 2022. EU Official.
- Interview T – In person, 4 July 2022. EU Official.
- Interview U – In person, 7 July 2022. EU Official.
- Abbott, K. W., Genschel, P., Snidal, D., & Zangl, B. (Eds.). (2015). International organizations as orchestrators. Cambridge University Press. https://doi.org/10.1017/CBO9781139979696
- Aggarwal, V. K. (1998). Institutional designs for a complex world: Bargaining, linkages, and nesting. Cornell University Press. https://www.jstor.org/stable/10.7591j.ctvv414p7.
- Aggestam, L., & Bicchi, F. (2019). New directions in EU foreign policy governance: Cross-loading, leadership and informal groupings. JCMS: Journal of Common Market Studies, 57(3), 515–532. https://doi.org/10.1111/jcms.12846
- Aggestam, L., & Johansson, M. (2017). The leadership paradox in EU foreign policy. JCMS: Journal of Common Market Studies, 55(6), 1203–1220. https://doi.org/10.1111/jcms.12558
- Alcaro, R. (2018). Europe and Iran’s nuclear crisis lead groups and EU foreign policy-making. Palgrave Macmillan.
- Alcaro, R., & Siddi, M. (2021). Lead groups in EU foreign policy: The cases of Iran and Ukraine. European Review of International Studies, 8(2), 143–165. https://doi.org/10.1163/21967415-08020016
- Alter, K. J., & Meunier, S. (2009). The politics of international regime complexity. Perspectives on Politics, 7(1), 13–24. https://doi.org/10.1017/S1537592709090033
- Amadio Viceré, M. G. (2016). The roles of the president of the European council and the high representative in leading EU foreign policy on Kosovo. Journal of European Integration, 38(5), 557–570. https://doi.org/10.1080/07036337.2016.1178255
- Amadio Viceré, M. G. (2018). The high representative and EU foreign policy integration A comparative study of Kosovo and Ukraine. Palgrave Macmillan.
- Amadio Viceré, M. G. (2019). The future is back: The EU, Russia and the Kosovo-Serbia Dispute (IAI Papers). Istituto Affari Internazionali. https://www.iai.it/en/pubblicazioni/future-back-eu-russia-and-kosovo-serbia-dispute.
- Amadio Viceré, M. G. (2020). Looking towards the east: The high representative’s role in EU foreign policy on Kosovo and Ukraine. European Security, 29(3), 337–358. https://doi.org/10.1080/09662839.2020.1798405
- Amadio Viceré, M. G. (2021). Externalizing EU crisis management: EU orchestration of the OSCE during the Ukrainian conflict. Contemporary Security Policy, 42(4), 498–529. https://doi.org/10.1080/13523260.2021.1985287
- Amadio Viceré, M. G., & Sus, M. (2023). Differentiated cooperation as the mode of governance in EU foreign policy: Emergence, modes and implications. Contemporary Security Policy, 44(1), 4–34. https://doi.org/10.1080/13523260.2023.2168854
- Amadio Viceré, M. G., & Tercovich, G. (2022). Women on Mars: The two post-Lisbon high representatives and EU foreign policy on Libya. In H. Müller, & I. Tömmel (Eds.), Women and leadership in the European Union (pp. 112–128). Oxford University Press.
- Assembly of the Western European Union. (1998). WEU and crisis management in the Balkans (WEU-91.014). Historical Archives of the European Union.
- Balfour, R. (2015). Europe’s patchwork foreign policy needs more than a few new stitches (Policy Brief Vol.2, No.6). The German Marshall Fund of the United States. https://www.academia.edu/17985053/Europe_s_Patchwork_Foreign_Policy_Needs_More_Than_a_Few_New_Stitches.
- Bassiri Tabrizi, A. (2018). Informal groups of states: A growing role in EU foreign policy after Brexit?. The RUSI Journal, 163(4), 62–70.
- Bassiri Tabrizi, A., & Kienzle, B. (2020a). Legitimation strategies of informal groups of states: The case of the E3 directoire in the nuclear negotiations with Iran. Cooperation and Conflict, 55(3), 388–405. https://doi.org/10.1177/0010836720907630
- Bassiri Tabrizi, A., & Kienzle, B. (2020b). The High Representative and directories in European foreign policy: The case of the nuclear negotiations with Iran. European Security, 29(3), 320–336. https://doi.org/10.1080/09662839.2020.1798407
- Bátora, J., & Fossum, J. E. (Eds.). (2019). Towards a segmented European political order: The European Union’s post crises conundrum. Routledge.
- Beach, D., & Pedersen, R. B. (2016). Causal case study methods: Foundations and guidelines for comparing, matching, and tracing. University of Michigan Press.
- Beach, D., & Pedersen, R. B. (2019). Process-tracing methods. Foundations and guidelines. University of Michigan Press.
- Biermann, F., Pattberg, P., van Asselt, H., & Zelli, F. (2009). The fragmentation of global governance architectures: A framework for analysis. Global Environmental Politics, 9(4), 14–40. https://doi.org/10.1162/glep.2009.9.4.14
- Biscop, S. (2018). European defence: Give PESCO a chance. Survival, 60(3), 161–180. https://doi.org/10.1080/00396338.2018.1470771
- Blatter, J., & Haverland, M. (2012). Congruence analysis. In J. Blatter & M. Haverland (Eds.), Designing case studies: Explanatory approaches in Small-N Research (pp. 144–204). Palgrave Macmillan UK.
- Boin, A., Ekengren, M., & Rhinard, M. (2013). The European Union as crisis manager: Patterns and prospects. Cambridge University Press.
- Bouris, D., & Nacrour, A. (2018). The ins and outs of the EU’s shortcomings in Syria (pp. 90–95) [Survey Changing Euro-Mediterranean Lenses]. Euromed.
- Brosig, M. (2015). Cooperative peacekeeping in Africa: Exploring regime complexity. Routledge. https://www.routledge.com/Cooperative-Peacekeeping-in-Africa-Exploring-Regime-Complexity/Brosig/p/book/9781138310452.
- Caporaso, J. A., Kim, M., Durrett, W. N., & Wesley, R. B. (2015). Still a regulatory state? The European Union and the financial crisis. Journal of European Public Policy, 22(7), 889–907. https://doi.org/10.1080/13501763.2014.988638
- Carbone, M. (2013). Between EU actorness and aid effectiveness: The logics of EU aid to Sub-Saharan Africa. International Relations, 27(3), 341–355. https://doi.org/10.1177/0047117813497300
- Cavatorta, F., & Turcotte, P.-M. (2019). The European Union and Syria: From constructive engagement to marginalization and back? In The War for Syria (pp. 261–276). Routledge.
- Christiansen, T., Follesdal, A., & Piattoni, S. (2003). Informal governance in the European Union: An introduction. In T. Christiansen & S. Piattoni (Eds.), Informal governance in the European Union (pp. 1–33). Edward Elgar.
- Christiansen, T., & Neuhold, C. (2013a). Informal politics in the EU. JCMS: Journal of Common Market Studies, 51(6), 1196–1206. https://doi.org/10.1111/jcms.12068
- Christiansen, T., & Neuhold, C. (2013b). International handbook on informal governance. Edward Elgar. https://www.e-elgar.com/shop/gbp/international-handbook-on-informal-governance-9781781001905.html.
- Collier, D., LaPorte, J., & Seawright, J. (2012). Putting typologies to work: Concept formation, measurement, and analytic rigor. Political Research Quarterly, 65(1), 217–232. https://doi.org/10.1177/1065912912437162
- Conrad, B. (2006). Informal politics. Hamburg Review of Social Science, 1(3), 256–272.
- Cooper, I., & Fabbrini, F. (2021). Regional groups in the European Union: Mapping an unexplored form of differentiation (SSRN Scholarly Paper ID 3951827). Social Science Research Network. https://papers.ssrn.com/abstract=3951827.
- Council of the EU. (1998). 2078th Council meeting. https://ec.europa.eu/commission/presscorner/detail/en/PRES_98_86.
- Council of the EU. (2011a). 21st EU-GCC joint council and ministerial meeting. https://data.consilium.europa.eu/doc/document/ST-3502-2011-INIT/en/pdf.
- Council of the EU. (2011b). EU military operation in support of humanitarian assistance operations in response to the crisis situation in Libya (‘EUFOR Libya’). https://data.consilium.europa.eu/doc/document/ST-9579-2011-INIT/en/pdf.
- Council of the EU. (2011c). Joint debate—Situation in Libya. https://data.consilium.europa.eu/doc/document/ST-14491-2011-INIT/en/pdf.
- Council of the EU. (2012a). Council conclusions on Syria. https://data.consilium.europa.eu/doc/document/ST-6943-2012-INIT/en/pdf.
- Council of the EU. (2012b). Main results of the council. https://data.consilium.europa.eu/doc/document/ST-17438-2012-REV-1/en/pdf.
- Council of the EU. (2012c). Summary record of the meeting of the Foreign Affairs Committee (AFET) of the European Parliament.
- Council of the EU. (2020). Outcome of the council meeting. https://data.consilium.europa.eu/doc/document/ST-6117-2020-INIT/en/pdf.
- Crocker, C. A., Hampson, F. O., & Aall, P. (2014). A global security vacuum half-filled: Regional organizations, hybrid groups and security management. International Peacekeeping, 21(1), 1–19. https://doi.org/10.1080/13533312.2014.895603
- Delreux, T., & Keukeleire, S. (2017). Informal division of labour in EU foreign policy-making. Journal of European Public Policy, 24(10), 1471–1490. https://doi.org/10.1080/13501763.2016.1216151
- Duchacek, I. D. (1990). Perforated sovereignties: Towards a typology of new actors in international relationsty Press.. In H. J. Michelmann & P. Soldatos (Eds.), Federalism and international relations. The role of subnational units (pp. 1–33). Oxford University Press.
- Duke, S. (1999). From Amsterdam to Kosovo: Lessons for the future of CFSP – European Sources Online (No. 2; EIASCOPE, pp. 2–15). https://www.europeansources.info/record/from-amsterdam-to-kosovo-lessons-for-the-future-of-cfsp/.
- ECFR. (2012). European foreign policy. Scorecard 2012. European Council on Foreign Relations.
- ECFR. (2016). Libya—ECFR’s European foreign policy scorecard 2016. European Council on Foreign Relations. https://ecfr.eu/scorecard/2016/mena/43.
- EEAS. (2014). Libya, a political framework for a crisis approach. https://www.statewatch.org/media/documents/news/2014/oct/eu-eeas-libya-framework-13829-14.pdf.
- EEAS. (2015a). EUBAM Libya interim strategic review. https://www.europa.eu/public-register/search?q=Libya.
- EEAS. (2015b). Statement of the International Syria Support Group. https://eeas.europa.eu/headquarters/headquarters-homepage/3088/statement-international-syria-support-group_en.
- EEAS. (2021). Supporting Syria and the region: Post-Brussels Conference Financial Tracking. https://eeas.europa.eu/sites/default/files/financial_tracking_report_no_11.pdf.
- Elgström, O. (2017). Norm advocacy networks: Nordic and Like-Minded Countries in EU gender and development policy. Cooperation and Conflict, 52(2), 224–240. https://doi.org/10.1177/0010836716652429
- European Commission. (2012). Minutes. https://ec.europa.eu/transparency/documents-register/detail?ref=PV(2012)2012&lang=en.
- European Commission. (2016). Communication on the state of play of implementation of the priority actions under the European agenda on migration. https://data.consilium.europa.eu/doc/document/ST-6056-2016-INIT/en/pdf.
- European Council. (2015). Conclusions. https://data.consilium.europa.eu/doc/document/ST-28-2015-INIT/en/pdf.
- European Parliament. (1998a). Motion for a resolution. B4-0561/98. (PE4-4577). Historical Archives of the European Union.
- European Parliament. (1998b). Motion for a resolution. B4-0561/98 (PE4-4855). Historical Archives of the European Union.
- European Parliament. (2012). EU action to strengthen respect for human rights and democracy in the process of political changes in the Middle East and North Africa. Publications Office. https://data.europa.eu/doi/10.286190272.
- European Parliament. (2013). Record for minutes. Plenary session. https://www.europarl.europa.eu/RegData/seance_pleniere/compte_rendu/provisoire/2013/05-22/P7_CRE-PROV(2013)05-22_XL.pdf.
- European Parliament. (2018). Situation in Syria—Resolution. https://www.europarl.europa.eu/RegData/seance_pleniere/textes_adoptes/provisoire/2018/03-15/0090/P8_TA-PROV(2018)0090_EN.pdf.
- European Parliament, D.-G. for E. P. (2016). Syria: Stalled peace process and blocked humanitarian access | Think Tank | European Parliament [24 November2016-ST\1112287EN-PE570.475]. https://www.europarl.europa.eu/thinktank/en/document/EXPO_BRI(2016)570475.
- European Western Balkans. (2014, August 26). Reform speed decides timing of EU accession.
- Fabbrini, S. (2014). The European Union and the Libyan crisis. International Politics, 51(2), 177–195. https://doi.org/10.1057/ip.2014.2
- Fry, E. H. (2017). The role of U.S. state governments in international relations and international negotiations, 1980–2016. International Negotiation, 22(2), 205–238. https://doi.org/10.1163/15718069-22021109
- FSG. (2012a). Group of friends of the Syrian people: 1st Conference. Carnegie Middle East Center – Carnegie Endowment for International Peace. https://carnegie-mec.org/diwan/48418?lang=en.
- FSG. (2012b). Group of friends of the Syrian people: 3rd Conference. Carnegie Middle East Center – Carnegie Endowment for International Peace. https://carnegie-mec.org/diwan/48986?lang=en.
- Gegout, C. (2002). The quint. JCMS: Journal of Common Market Studies, 40(2), 331–344. https://doi.org/10.1111/1468-5965.00357
- Gegout, C. (2010). European Foreign and security policy: States, power, institutions, and American hegemony. University of Toronto Press. https://www.ibs.it/european-foreign-security-policy-states-libro-inglese-catherine-gegout/e/9781442640948.
- Genschel, P., & Jachtenfuchs, M. (2016). More integration, less federation: The European integration of core state powers. Journal of European Public Policy, 23(1), 42–59. https://doi.org/10.1080/13501763.2015.1055782
- German Federal Foreign Office. (2020). Berlin International conference on Libya—19 January 2020. https://unsmil.unmissions.org/berlin-international-conference-libya-19-january-2020.
- GRI. (2016, February 25). U.S.-Russia negotiated Syria ceasefire unlikely to succeed | GRI. Global Risk Insights. https://globalriskinsights.com/2016/02/us-russia-negotiated-ceasefire-in-syria-unlikely-to-succeed/.
- Helmke, G., & Levitsky, S. (2004). Informal institutions and comparative politics: A research agenda. Perspectives on Politics, 2(4), 725–740. https://doi.org/10.1017/S1537592704040472
- Helwig, N. (2020). Germany in European diplomacy: Minilateralism as a tool for leadership. German Politics, 29(1), 25–41. https://doi.org/10.1080/09644008.2018.1563891
- Henke, M. E. (2019). Networked cooperation: How the European union mobilizes peacekeeping forces to project power abroad. Security Studies, 28(5), 901–934. https://doi.org/10.1080/09636412.2019.1662480
- Hofmann, S. C. (2009). Overlapping institutions in the realm of international security: The case of NATO and ESDP. Perspectives on Politics, 7(1), 45–52. https://doi.org/10.1017/S1537592709090070
- Hofmann, S. C. (2011). Why institutional overlap matters: CSDP in the European security architecture. JCMS: Journal of Common Market Studies, 49(1), 101–120. https://doi.org/10.1111/j.1468-5965.2010.02131.x
- Hofmann, S. C. (2019). The politics of overlapping organizations: Hostage-taking, forum-shopping and brokering. Journal of European Public Policy, 26(6), 883–905. https://doi.org/10.1080/13501763.2018.1512644
- Howorth, J. (2019). Differentiation in security and defence policy. Comparative European Politics, 17(2), 261–277. https://doi.org/10.1057/s41295-019-00161-w
- Hughes, J. (2012). EU conflict management. Routledge.
- Italian Ministry of Foreign Affairs. (2016). Joint statement on Syria by the Foreign Ministers of France, Italy, Germany, the United Kingdom, the United States and the High Representative of the European Union. https://www.esteri.it/it/sala_stampa/archivionotizie/approfondimenti/2016/09/joint-statement-on-syria-by-the/.
- Juncos, A. (2013). EU foreign and security policy in Bosnia: The politics of coherence and effectiveness. Manchester University Press.
- Juncos, A. E., & Pomorska, K. (2021). The EU’s response to the Ukraine crisis. In M. Riddervold, J. Trondal & A. Newsome (Eds.), The Palgrave handbook of EU crises (pp. 553–568). Palgrave Macmillan.
- Jupille, J., Mattli, W., & Snidal, D. (2013). Institutional choice and global commerce. Cambridge University Press.
- Karlsrud, J., & Reykers, Y. (2019). Multinational rapid response mechanisms: From institutional proliferation to institutional exploitation.
- Karlsrud, J., & Reykers, Y. (2020a). Ad hoc coalitions and institutional exploitation in international security: Towards a typology. Third World Quarterly, 41(9), 1518–1536. https://doi.org/10.1080/01436597.2020.1763171
- Karlsrud, J., & Reykers, Y. (2020b). Ad hoc coalitions and institutional exploitation in international security: Towards a typology. Third World Quarterly, 41(9), 1518–1536. https://doi.org/10.1080/01436597.2020.1763171
- Keukeleire, S. (2006). EU core groups. Specialization and Division of Labour in EU Foreign Policy (Working Document No. 252). CEPS. http://aei.pitt.edu/7377/2/7377.pdf.
- Kim, D. S. (2022). Taming abundance: Doing digital archival research (as political scientists). PS: Political Science & Politics, 55(3), 530–538. https://doi.org/10.1017/S104909652100192X
- Kleine, M. (2013). Informal governance in the European Union: How governments make international organizations work. Cornell University Press. https://doi.org/10.7591/cornell/9780801452116.001.0001
- Koenig, N. (2014). Between conflict management and role conflict: The EU in the Libyan crisis. European Security, 23(3), 250–269. https://doi.org/10.1080/09662839.2013.875532
- Koenig, N. (2017). Libya and Syria: At the crossroads of European neighbourhood policy and EU crisis management. In The Routledge handbook on the European neighbourhood policy. Routledge.
- Kukucha, C. J. (2017). Federalism and liberalization: Evaluating the impact of American and Canadian sub-federal governments on the negotiation of international trade agreements. International Negotiation, 22(2), 259–284. https://doi.org/10.1163/15718069-22021114
- Laatikainen, K. V. (2015). The EU delegation in New York: A debut of high political drama. In D. Spence, & J. Bátora (Eds.), The European external action service: European diplomacy post-Westphalia (pp. 195–218). Palgrave Macmillan UK. https://doi.org/10.1057/9781137383037_11
- Laatikainen, K. V. (2017). Conceptualizing groups in un multilateralism: The diplomatic practice of group politics. The Hague Journal of Diplomacy, 12(2–3), 113–137. https://doi.org/10.1163/1871191X-12341359
- Leruth, B., & Lord, C. (Eds.). (2016). Differentiated integration in the European Union. Routledge.
- Lodge, M. (2013). Semistructured interviews and informal institutions: Getting inside executive government. In M. Bruter, & M. Lodge (Eds.), Political science research methods in action (pp. 181–202). Palgrave Macmillan UK. https://doi.org/10.1057/9781137318268_9
- Marciacq, F. (2017). The EU and the Western Balkans after the Berlin process reflecting on the EU enlargement in times of uncertainty. Friedrich Ebert Stiftung. http://oefz.at/wp-content/uploads/2017/12/171206_Study_Marciacq_online.pdf.
- Marcuzzi, S. (2022). The EU, NATO and the Libya conflict: Anatomy of a failure. Routledge.
- Martill, B., & Gebhard, C. (2023). Combined Differentiation in European Defence: Tailoring Permanent Structured Cooperation (PESCO) to Strategic and Political Complexity. Contemporary Security Policy, 44(1), 97–124. https://doi.org/10.1080/13523260.2022.2155360
- Megerisi, T. (2020, January 16). How to repair Europe’s credibility in Libya – European Council on Foreign Relations. ECFR. https://ecfr.eu/article/commentary_how_to_repair_europes_credibility_in_libya3/.
- Menon, A. (2013). Defence policy and the logic of ‘high politics’. In P. Genschel & M. Jachtenfuchs (Eds.), Beyond the regulatory polity?: The European integration of core state powers (pp. 66–84). Oxford University Press.
- Michelmann, H. J. (ed.). (2009). Foreign relations in federal countries. MacGill Queens Press.
- Michelmann, H. J., & Soldatos, P. (Eds.). (1990). Federalism and international relations: The role of subnational units. Oxford University Press.
- Müller, P. (2016). EU foreign policy: No major breakthrough despite multiple crises. Journal of European Integration, 38(3), 359–374. https://doi.org/10.1080/07036337.2016.1140157
- Niemann, A., & Zaun, N. (2018). From market integration to core state powers: The Eurozone crisis, the refugee crisis and integration theory. JCMS: Journal of Common Market Studies, 56(1), 178–196. http://doi.org/10.1111/jcms.v56.1
- Onderco, M., & Portela, C. (2023). External drivers of EU differentiated cooperation: How change in the nuclear nonproliferation regime affects member states alignment. Contemporary Security Policy, 44(1), 150–175. https://doi.org/10.1080/13523260.2022.2146336
- Paquin, S. (2010). Federalism and compliance with international agreements: Belgium and Canada compared. The Hague Journal of Diplomacy, 5(1–2), 173–197. https://doi.org/10.1163/1871191x-05010108
- Prantl, J. (2005). Informal groups of states and the UN security council. International Organization, 59(3), 559–592. https://doi.org/10.1017/S0020818305050204
- Reykers, Y. (2019). EU battlegroups | From standby to standstill | Yf Reykers | Taylor & F. In J. Karlsrud, & Y. Reykers (Eds.), Multinational rapid response mechanisms (pp. 41–56). Routledge.
- Rieker, P. (2021). Differentiated integration and Europe’s global role: A conceptual framework. European Foreign Affairs Review, 26(Special Issue), 1–4. https://doi.org/10.54648/EERR2021023
- Rittberger, B., Leuffen, D., & Schimmelfennig, F. (2013). Differentiated integration of core state powers. In Beyond the regulatory polity. Oxford University Press.
- Rubin, E. L. (2017). The role of federalism in international law. Comparative Law Review, 40, 51.
- Sartori, G. (1970). Concept misformation in comparative politics. The American Political Science Review, 64(4), 1033–1053. https://doi.org/10.2307/1958356
- Sauer, T. (2019). The role of informal international organizations in resolving the Iranian nuclear crisis (2003–15). JCMS: Journal of Common Market Studies, 57(5), 939–955. https://doi.org/10.1111/jcms.12861
- Schade, D. (2023). Between EU candidacy and independent diplomacy: Third country alignment with EU positions at the OSCE. Contemporary Security Policy, 44(1), 176–197. https://doi.org/10.1080/13523260.2022.2148197
- Schimmelfennig, F., & Winzen, T. (2020). Ever looser union? Differentiated European integration. Oxford University Press.
- Schütze, R. (2019). Foreign affairs federalism in the European union. In C. A. Bradley (Ed.), The Oxford handbook of comparative foreign relations law (pp. 334–351). Oxford University Press. https://doi.org/10.1093/oxfordhb/9780190653330.013.19
- Schwegmann, C. (2000). The Contact Group and its impact on the European institutional structure | European Union Institute for Security Studies (Occasional Papers No. 16). European Union Institute for Security Studies. https://www.iss.europa.eu/content/contact-group-and-its-impact-european-institutional-structure.
- Sepos, A. (2005). Differentiated integration in the EU: The position of small member states (No. 17; EUI Working Papers, p. 23). European University Institute. Robert Schuman Centre for Advanced Studies. https://cadmus.eui.eu/handle/1814/3366.
- Smith, K., & Laatikainen, K. V. (Eds.). (2020). Group politics in UN multilateralism. Brill Nijhoff.
- Smith, K. E. (2017). Group politics in the debates on gender equality and sexual orientation discrimination at the united nations. The Hague Journal of Diplomacy, 12(2–3), 138–157. https://doi.org/10.1163/1871191X-12341362
- Smith, M. (2021). The European Union, crisis management, and international order. In M. Riddervold, J. Trondal & A. Newsome (Eds.), The Palgrave handbook of EU crises (pp. 707–723). Springer International Publishing.
- Sus, M. (2023). How delegation structure shapes agent´s discretion in EU foreign policy? Evidence from the Normandy Format and the Contact Group on Libya. Contemporary Security Policy, 44(1), 67–96. https://doi.org/10.1080/13523260.2022.2148942
- Toaldo, M. (2016). Libya: Security, economic development and political reform (SiT/WP/04/16). Security in Transition. https://brussels.fes.de/fileadmin/public/editorfiles/events/Maerz_2016/FES_LSE_Libya._security_economic_development_and_political_reform_Toaldo_2016_02_23.pdf.
- UK Government. (2011). London conference on Libya. https://www.gov.uk/government/news/london-conference-on-libya.
- UK Parliament. (2000). Memorandum submitted by the European Commission. https://publications.parliament.uk/pa/cm199900/cmselect/cmfaff/28/28ap01.htm.
- United Nations. (2012). Final Communiqué of the Action Group for Syria (Geneva Communiqué) | UN Peacemaker. https://peacemaker.un.org/node/1581.
- UNSC. (2012). Security council fails to adopt draft resolution on Syria as Russian Federation, China Veto text supporting Arab League’s proposed peace plan | Meetings Coverage and Press Releases. https://www.un.org/press/en/2012/sc10536.doc.htm.
- US Department of State. (2011). Tick Tock on Libya. Wikileaks Cable. https://wikileaks.org/clinton-emails/emailid/23898.
- Vrailas, I. (2017). Negotiating in the UN general assembly: The European Union and the other major groups. The Hague Journal of Diplomacy, 12(2–3), 249–255. https://doi.org/10.1163/1871191X-12341361
- Weller, M. (2009). The Rambouillet Conference. In Contested Statehood. Oxford University Press. https://doi.org/10.1093/acprof:oso/9780199566167.003.0008.
- Wouters, J., Hoffmeister, F., & Ruys, T. (Eds.). (2006). The United Nations and the European Union in Kosovo: The challenges of joint nation-building. In The united nations and the European Union—An ever stronger partnership (pp. 323–354). T.M.C. Asser Press.
- Zachová, A., Zgut, E., Zbytniewska, K., Strzałkowski, M., & Gabrizova, Z. (2018, July 23). Visegrad nations united against mandatory relocation quotas. Www.Euractiv.Com. https://www.euractiv.com/section/justice-home-affairs/news/visegrad-nations-united-against-mandatory-relocation-quotas/.