What is Grey Literature?

New to grey literature? See these introductory guides on the topic.

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How to Find Grey Literature

This section contains resources on how to find grey literature sources for your research project, including systematic reviews.

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Sources of Grey Literature

Here we have collected a list of repositories for grey literature, including general repositories and subject-specific ones for health and other subjects.

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About this website

The purpose of this website is to compile existing research/LibGuides, online courses, and webinars devoted to grey literature worldwide into a living directory. This Directory will become online accessible via the GreyGuide - GreyNet’s web access Portal and Repository, and its content will be updated on a regular basis. See more about our search methodology here.

This website is maintained by GreyNet's LIS Education and Training Committee.