fra | eng


System for Information on Grey Literature in Europe, is your open access to 700.000 bibliographical references of grey literature (paper) produced in Europe and allows you to export records and locate the documents.

Examples of grey (gray) literature include technical or research reports, doctoral dissertations, some conference papers, some official publications, and other types of grey literature.

OpenGrey covers Science, Technology, Biomedical Science, Economics, Social Science and Humanities.

The site includes preprints from the GL conferences (GreyNet International) in full text.


  • 201408/27 OpenGrey includes 113 000 doctoral theses records from EThOS
  • 201403/19 GL16, Grey Literature Lobby, Engines and Requesters for Change - Call for Papers
  • 201402/17 OpenGrey includes 200 000 French doctoral theses from the new partner Sudoc
  • 201310/29 GL15, The Grey Audit: A Field Assessment in Grey Literature, Bratislava, 2-3 December 2013 - Conference Program

More news


Documents :
(total number of PDF: 880)
Number of citations by Sciences: 833,500

Social Science and Humanities: 325,000

Biomedical Science: 116,000

Science: 170,000

Technology: 222,500