"Gray literature is information produced by government agencies, academic institutions, and also the for-profit sector that is not typically made available by commercial publishers."
- Johns Hopkins Welch Medical Library
Examples of gray literature include:
Government Reports and Fact Sheets:
Technical Reports:
Statistics:
Access the most recent and relevant statistics and studies on a specific topic by simply entering a keyword. statista aggregates statistical data on over 600 international industries from more than 18,000 sources, including market researchers, trade organizations, scientific journals, and government databases.
Non-Government Organizations (NGOs)
Research Reports: