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| European political parties as campaign organisations: Toward a greater politicisation of the European Parliament elections W Gagatek Centre for European Studies, 2009 | 30 | 2009 |
| Reconnecting European political parties with European Union citizens S Van Hecke, A Andrione-Moylan, N Brack, S Day, W Gagatek, ... Reconnecting European Political Parties with European Union Citizens, 1-71, 2018 | 29 | 2018 |
| Political parties and political foundations at European Level: Challenges and opportunities L Bardi, E Bressanelli, E Calossi, W GAGATEK, P MAIR, E Pizzimenti | 23 | 2014 |
| The 2009 Elections to the European Parliament. Country Reports W Gagatek European University Institute, 2010 | 21 | 2010 |
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| Campaigning in the European Parliament elections W Gagatek The 2009 Elections to the European Parliament. Country Reports, 13-19, 2010 | 19 | 2010 |
| 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 | 14 | 2008 |
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| Political parties and political foundations at European level L Bardi, E Bressanelli, E Calossi, L Cicchi, W Gagatek, E Pizzimenti Challenges and opportunities, 2014 | 11 | 2014 |
| Dyscyplinarna analiza czy interdyscyplinarna synteza? Uwagi o europeistyce jako kierunku studiów uniwersyteckich W Gagatek W: Czaputowicz, J.(red.), Studia europejskie. Wyzwania interdyscyplinarności …, 2014 | 11 | 2014 |
| 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 |
| 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 |
| 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 | 9 | 2011 |
| 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 | 8 | 2020 |
| Europeistyka jako nowa dyscyplina naukowa? W Gagatek Studia Europejskie, 2012, 2012 | 8 | 2012 |
| The 2009 Elections to the European Parliament W Gagatek Country Reports. European University Institute, 2010 | 7 | 2010 |
| Perspectives on the development of a transnational party system in the European Union after the 2014 elections to the European Parliament W Gagatek Party Politics and Democracy in Europe, 148-161, 2015 | 6 | 2015 |
| British Conservative Party and the Group of the European People’s Party–European Democrats in the European Parliament–an analysis of the history and present shape of difficult … W Gagatek Międzynarodowy Przegląd Polityczny, 0 | 6* | |
