Further Information on Data in the web

• Social indicators online: Here you can find further links, for instance, to institutes & organizations, data & indicators, and professional associations.
• Sustainable Development: Regarding this topic, you can find a list of links to concept and data in virtual libraries and databases as well as to indicators, bibliographies, and other documents.
• The Portal European System of Social Indicators provides a collection of supra-national links which, alongside data sources, also comprise information listed by areas of life as well as links to national official statistical sources and research institutions from all over the world.
• Here you can also find the website of the Social Indicators Section of the German Society for Sociology (DGS)
• An overview of the German General Social Surveys is given on the page ‘General Social Surveys Online’
• In Further informations to microdata access links are listed to national and international institutions and topics 
• Eurobarometer context information provides links to related web resources which might also be of general interest for research on European unification.
• The overview of comparative survey projects provides a tabular history of and links to cross-national survey programmes and important studies with focus on individual level population samples.
• An extensive collection of links to quantitative history can be downloaded as a PDF here (359 KB)