Skip to Main Content
Gray Literature, put simply, is scholarly material that hasn't been published. For example, government documents such as white papers, student dissertations, or conference proceedings and minutes.
Finding these studies can be difficult, but there are a few online resources that can be used to discover this type of unpublished research.
OpenGrey.eu ⁃ Open access to 700,000 bibliographical references of gray literature (paper) produced in Europe...This service will be closing in Summer 2021 and has uploaded its materials to Dans Easy Archive.
Dans Easy Archive EASY offers sustainable archiving of research data and access to thousands of datasets.
Greylit.org ⁃ For gray lit searching for resources prior to 2017 ⁃
The CADTH Grey Matters ⁃ CADTH stands for Canadian Agency for Drugs and Technologies in Health. A resource for searching gray literature.
Searching the Grey Literature by Sarah Bonato.