| How to create a transnational party system L Bardi, E Bressanelli, E Calossi, W Gagatek, P Mair, E Pizzimenti European Parliament, 2010 | 83 | 2010 |
| The development of European political foundations and their role in strengthening Europarties W Gagatek, S Van Hecke Acta Politica 49, 86-104, 2014 | 39 | 2014 |
| Reconnecting European political parties with European Union citizens S Van Hecke, A Andrione-Moylan, N Brack, I de Coninck, S Day, ... International IDEA, 2018 | 36 | 2018 |
| European political parties as campaign organisations: Toward a greater politicisation of the European Parliament elections W Gagatek Centre for European Studies, 2009 | 32 | 2009 |
| Political parties and political foundations at European Level: Challenges and opportunities L Bardi, E Bressanelli, E Calossi, W GAGATEK, P MAIR, E Pizzimenti | 26 | 2014 |
| The 2009 Elections to the European Parliament. Country Reports W Gagatek European University Institute, 2010 | 22 | 2010 |
| Campaigning in the European Parliament elections W Gagatek The 2009 Elections to the European Parliament. Country Reports, 13-19, 2010 | 19 | 2010 |
| Towards policy-seeking Europarties? The development of European political foundations W Gagatek, S Van Hecke | 18 | 2011 |
| Political parties at the European level-their organization and activities: the case of the European People's Party and the Party of European Socialists W Gagatek European University Institute, 2008 | 13 | 2008 |
| European political parties as campaign organisations: Towards a greater politicization of the European Parliament elections W Gagatek Wilfried Martens Centre for European Studies, 2010 | 12 | 2010 |
| The European People's Party and the Party of European Socialists: government and opposition? W Gagatek European View 8 (2), 301-311, 2009 | 11 | 2009 |
| The European Ambition: The Group of the European People's Party and European Integration L Bardi, W Gagatek, C Germond, KM Johansson, W Kaiser, S Sassano Nomos Verlag, 2020 | 10 | 2020 |
| Dyscyplinarna analiza czy interdyscyplinarna synteza? Uwagi o europeistyce jako kierunku studiów uniwersyteckich W Gagatek W: Czaputowicz, J.(red.), Studia europejskie. Wyzwania interdyscyplinarności …, 2014 | 10 | 2014 |
| Europeistyka jako nowa dyscyplina naukowa? W Gagatek Studia Europejskie, 2012, 2012 | 9 | 2012 |
| Political Financing Regulation at the EU Level: The Conflict of National Traditions and Interests W Gagatek Papers: Party Law–The Legal Regulation of Political Parties in Post-war Europe, 2011 | 9 | 2011 |
| Political parties and political foundations at European level L Bardi, E Bressanelli, E Calossi, L Cicchi, W Gagatek, E Pizzimenti Challenges and opportunities, 2014 | 8 | 2014 |
| The Treaty of Lisbon, the European Parliament Elections and Europarties: A New Playing Field for 2014? W Gagatek Yearbook of Polish European Studies, 201-218, 2011 | 8 | 2011 |
| The 2009 Elections to the European Parliament W Gagatek Country Reports. European University Institute, 2010 | 7 | 2010 |
| Political parties at the European Level: Their organization and activities W Gagatek Diss. Florence: European University Institute, 2008 | 7 | 2008 |
| The 2018 regional elections in Poland W Gagatek, K Tybuchowska-Hartlińska Regional & Federal Studies 30 (3), 475-491, 2020 | 6 | 2020 |
