System for Information on Grey Literature in Europe, is your open access to 700.000 bibliographical references of grey literature (paper) produced in Europe and allows you to export records and locate the documents.
The report is a bimonthly publication of The New York Academy of Medicine alerting readers to new grey literature publications in health services research and selected urban health topics.
A catalog of millions of records of open access digital resources, created by the Open Archives Initiative.
The Directory of Open Access Repositoires, OpenDOAR, is an authoritative directory of academic open access repositories
This page is derivative of the Finding Grey Literature LibGuide at McMaster University 