This very useful resource will be of interest to many groups of researchers. Christof Galli from Duke U. Libraries is the person who maintains the dbase.
It’s made clear the the 670+ NGO’s (Non-Government Organizations), “Primarily reflects the research interests of Duke researchers and students.”
A few facets to focus results are available next to results. Each entry contains (when available) a direct link to the organizations web site.
Resource discovered via Twitter

