Non-profit Organisation
Consortium of Estonian Libraries Network

Estonian Subject Thesaurus EMS

The Estonian Subject Thesaurus is a universal controlled vocabulary in Estonian for indexing and searching various library material.

The official name of the thesaurus is "Eesti märksõnastik" and its official abbreviation is EMS. In English the thesaurus is called "Estonian Subject Thesaurus".

The thesaurus is a public service, which can be used free of charge. To provide access to the thesaurus over the internet, the official address ( together with the official name, abbreviation or logo should be used.

The subject terms from EMS are used


The database of EMS enables

  • to browse subject terms by subject fields
  • to search terms by exact match or by part of word
  • to search terms by English equivalent
  • to view search results as word lists or as full records
  • to search by every term in the online catalogue ESTER, in the database of Estonian articles ISE or in Google
  • to print, e-mail or save into file selected word lists or full records
  • to subscribe current awareness service for new, changed and deleted subject terms.

EMS includes about 48 000 preferred and nonpreferred terms.

EMS is created by merging the Estonian Universal Thesaurus (EÜM) and the INGRID Thesaurus of the University of Tartu Library.

Current development:

National Library of Estonia
University of Tartu Library

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