ESS Reference Metadata Reporting Standards A set of international standards for exchange of statistical information between organisations
Classifications International statistical classifications and nomenclatures
Code lists Code lists are predefined, organised sets of items that describe one or more statistical concepts
Legislation and methodology EU legal acts and methodological manuals relating to statistics
Concepts and Definitions CODED (Eurostat's Concepts and Definitions Database) and other online glossaries relating to survey statistics
National metadata Links to national methodology webpages: concepts, classifications, survey methodologies, etc.