For Survey holders
CentERdata
Contact: http://seriss.eu/people/martens-maurice/
GESIS – Leibniz Institute for the Social Sciences
Contact: http://seriss.eu/people/schneider-silke/ and http://seriss.eu/people/ortmanns-verena/
Amsterdams Instituut voor Arbeids Studies (AIAS) at the University of Amsterdam, Netherlands
Contact: http://seriss.eu/people/tijdens-kea/