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Nursing Information Literacy Tutorial

What is Grey Literature?

Grey Literature is defined as "information produced on all levels of government, academia, business and industry in electronic and print formats not controlled by commercial publishing." ICGL Luxembourg definition, 1997, expanded in NY, 2004.


  • Theses and dissertations
  • Census, economic and other "grey" data sources
  • Conference proceedings, poster presentations and abstracts
  • Newsletters
  • conference proceedings
  • Electronic networked communication
  • Blogs, podcasts and video on the web
  • Repositories
  • Listserv archives
  • Spatial data (Google earth)
  • Meta-searching, federated searching, portals
  • Wikis, twitter, social media