Article 38: Sources of International Law: conventions (treaties); international custom; general principles; judicial decisions and scholarship of the "most highly qualified publicists"
The website of the United Nations cover resources for different audiences: delegates, job seekers, visitors, students, academia, civil society, business, journalists.
The United Nations Treaty Collection (UNTC) is a global portal providing online access to comprehensive information relating to the work of the Treaty Section. The Collection is divided into the following key sections: depository of treaties, registration of treaties, resources, training, and treaty events.
The Official Document System (ODS) is an online database of UN documents that was first launched in 1993 and updated in 2016. ODS has full-text, born-digital UN documents published from 1993 onward, including documents of the Security Council, the General Assembly, the Economic and Social Council and their subsidiaries, as well as administrative issuances and other documents.
FILRD includes the publications of the American Society of International Law along with prominent Yearbooks from around the world, including the Hague Permanent Court of International Justice series.It also includes U.S. Law Digests, International Tribunals/Judicial Decisions and more.