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Europa in der öffentlichen Meinung 1962 (Luxemburg) ; Europe in Public Opinion 1962 (Luxembourg)
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Einstellung zur Monarchie (Niederlande) ; Attitude to the Monarchy (Netherlands)
Europa in der öffentlichen Meinung 1962 (Niederlande) ; Europe in Public Opinion 1962 (Netherlands)
Flash Eurobarometer 173 (The European Constitution: Post-Referendum in Luxembourg)
Flash Eurobarometer 172 (The European Constitution: Post-Referendum in the Netherlands)
Vorwahlbefragung Belgien 2003 ; Pre-Election Study Belgium 2003
The European Voter Database. Continuity Files of National Election studies in Denmark, Germany, Great Britain, the Netherlands, Norway and Sweden
Flash Eurobarometer 60 (Luxembourg Summit)
European Values Study 2008: Belgium (EVS 2008)
European Values Study 2008: Netherlands (EVS 2008)