- International Committee of the Red Cross
- Derechos Humanos
- UN Office of Genocide Prevention
https://www.un.org/en/genocide-prevention
- United Nations Assistance to the Khmer Rouge Trials
https://www.unakrt-online.org/
- Max Planck Encyclopedia of Public International Law - A collection of articles covering a wide range of issues, instruments, institutions, and decisions within international law.
- Oxford Reports on International Law - A database of decisions on public international law, taken from international law courts, domestic courts, and ad hoc tribunals.
http://www.oxfordlawreports.com/
- Investment Claims - An extensive collection of primary and secondary materials focusing on international investment arbitration.