Searching for Grey Literature

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This session provides attendees with the skills and knowledge to conduct a literature search using up to three sources of grey literature.

About this event

PLEASE NOTE: This session is for PHE employees.

If you work in a Local Authority Public Health Team please visit for information on services available for you.


By the end of this session you will be able to:

  • Explain what constitutes grey literature.
  • Prepare an answerable search question.
  • Formulate a search strategy in the context of grey literature.
  • Apply a search strategy to sources of grey literature (e.g. OpenGrey, King’s Fund, TRIP Database).
  • Use appropriate syntax (e.g. truncation, wildcards, Boolean operators).
  • Have increased confidence in using grey literature sources to identify evidence to address a search question.


  • What is grey literature?
  • Planning and defining your search question
  • Creating your search strategy
  • Interactive: Create your own search strategy
  • Identifying available sources
  • Inputting search terms and applying limits and filters
  • Assessing and amending your results
  • Saving your search history and search results
  • Obtaining full-text
  • Interactive: Apply this knowledge to a three sources of grey literature
  • Evaluating quality