Skip to Main Content

Grey literature : Learn more about Grey Literature

Learn more about Grey Literature

OpenGrey Database
OpenGrey, System for Information on Grey Literature in Europe, is your open access to 1 014 872 bibliographical references of grey literature (paper) produced in Europe and allows you to export records and locate the documents. Archived resources until 2018 via DANS.

Book chapters

Grey Literature Relating to Systematic Review. In: Prostate Cancer Survivorship. Springer, Cham, 2018  


GreyNet International

GreyLit - Grey Literature Report

References on Grey information

Policy development for grey literature resources: An assessment of the Pisa Declaration, 2017
How low can you go? Toward a hierarchy of grey literature, 2008 (AU paper)
Searching and synthesising ‘grey literature’ and ‘grey information’ in public health: critical reflections on three case studies, 2016