Parliaments and governments database, first version 2010
An online platform about political parties, with Sven Regel (WZB Berlin), first version 2014
Döring, Holger and Sven Regel (2014): “Party Facts: A new platform for collaborative data collection on political parties” Paper presented at the General Conference of the European Consortium for Political Research (ECPR), Glasgow, United Kingdom, 2014.
College of Commissioners
Commissioners of the European Union, first version 2007