Netherlands: Netherlands Historical Data Archive (NHDA) Norway: The Norwegian Historical Data Centre (NHDC)
Denmark: Dansk Data Arkiv / Danish Data Archives (DDA) Germany: Zentrum für Historische Sozialforschung / Centre for Historical Social Research (ZHSF) United States: Inter-university Consortium for Political and Social Research (ICPSR) Data and Program Library Service (DPLS)
Copyright AHDS History, University of Essex 2003-7. Page last modified: 9 December 2004