Comparative Candidate Survey (CCS)
http://www.comparativecandidates.org/
Parliamentary Representation at National and European Levels (PARENEL)
http://www.legipar.sciencespobordeaux.fr/PDF/PARENEL_EN.pdf
http://www.legipar.sciencespobordeaux.fr/Index.htm
PartiRep
http://www.partirep.eu/project
http://www.partirep.eu/datafile/comparative-mp-survey