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Health Sciences Tutorials : Grey Literature

Grey Literature

What is it?

Grey (or gray) literature is the published and unpublished research not typically available commercially, such as in journals.

Grey literature includes:

  • Conference abstracts, papers and proceedings
  • White papers
  • Government documents and reports
  • Theses
  • Bibliographies
  • Clinical trials
  • Pamphlets, newsletters, bulletins, fact sheets
  • Surveys, interviews
  • Non-traditional communication and media (blogs, podcasts, email, social media)

GreyNet International has a comprehensive list of document types.

Where to find it?

There are many places, including:

For theses and disserations, the following databases:

For conference proceedings:

For government documents:

For technical reports:

  • NTIS (National Technical Information Service)

Individual organizations: