Grey literature is information that is created and distributed outside of academic and commercial publishers. Policy papers, policy briefs, white papers, occasional papers, working papers, studies, and reports are examples of grey literature.
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"Issue Lab ....collects, preserves, and shares research reports, whitepapers, evaluations, case studies, issue briefs, and more. Our knowledge base is published and/or funded by social sector organizations, and is one way that we connect people who want to change the world with the resources they need to do it. " (from Issue Lab)
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