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 provide a living directory of a selection of  existing English language educational and training resources devoted to grey literature worldwide. It is intended for researchers, students, librarians, and professionals who need educational resources on grey literature for themselves, or to teach grey literature to others. Please see the GreyGuide Portal and Repository for additional resources in the field of grey literature.

This website is maintained by GreyNet’s Education and Training Committee and is revised annually.