Grey literature is defined as "information produced on all levels of government, academics, business and industry in electronic and print formats not controlled by commercial publishing" ie. where publishing is not the primary activity of the producing body." —ICGL Luxembourg definition, 1997. Expanded in New York, 2004
- Finding the Hard to Finds: Searching for Grey Literature - University of British Columbia
- GreyNet International Directory of organizations in grey literature.
- Grey Literature Database - Canadian Evaluation Society
- Grey Literature Report - provides updates to grey literature on health services and topics.
Policy Reports and Think Tanks
- Canadian Public Policy Collection Collection of publications from Canadian public policy institutes, government agencies, advocacy groups, think-tanks, university research centres and other public interest groups.
- Canadian Health Research Collection of current monograph publications from Canadian research institutes, government agencies and university centres working in the area of health policy and research.
- Conference Board of Canada e-Library Browse the research reports by topic. Under the site map look at their Special Projects - in particular the Centre for Business Innovation (CBI).
- NBER (National Bureau of Economics Research) Working Papers
- PolicyFile (U.S. Policy) Provides access to U.S. foreign and domestic policy papers and grey literature.
- Social Research and Demonstraton Corporation A non-profit research organization, created specifically to develop, field test, and rigorously evaluate new programs.