Think Tank SearchFrom Harvard's Kennedy School of Government library; custom Google search + list of hundreds of US and international think tanks
Think tanks are defined by the above as institutions affiliated with universities, governments, advocacy groups, foundations, non-governmental organizations, and businesses that generate public policy research, analysis, and activity.
Tips: Search these selected think tanks by keywords to find research and analysis. If one seems most relevant to your topic, go to the home page and mine the site for publications, issues, research, and links to other organizations.