Get yet unpublished conference papers, reports, policy briefs and working papers from international organizations, NGOs and think tanks from a range of platforms specializing in gray literature:
- Policy Commons: Prime search Engine for publications from think tanks, international organizations and NGOs
- BASE (Bielefeld Academic Search Engine): Search engine for open access documents from institution servers worldwide, theses, unpublished research reports, preprints, etc.
- Columbia International Affairs Online (CIAO): international relations database published by Columbia University. Primarily recommended as a source for U.S. foreign affairs, with unpublished reports and papers from foreign policy think tanks
- IREON-Portal: gateway for practitioners of international relations and area studies, providing free access to searches in relevant databases including LITDOK, the database of the German Gesellschaft für Internationale Zusammenarbeit (GIZ)
- UNilibrary: Open access studies and reports from various UN organizations, covering topics from democracy and governance to development and climate change