Think Tank Resources
These guides and think tank or nonprofit search engines can help you locate and evaluate think tanks, NGOs, and other organizations that produce policy literature.
Selected Think Tanks
Grey Literature Resources for International Agriculture & Development
Not all websites are created equal! Major nongovernmental organizations and various scholarly associations can be rich and authoritative websites, especially for the kind of grey literature not published in mainstream scholarly journals (including white papers, evaluation reports, training materials, and the like). Below are a few useful places to start.