International law is a system of rules and principles governing the relationships between states and the working of international organisations. Major sources of international law are:
Judicial decisions play a role in clarifying the sources of international law They include decisions from the
Decisions are also available on Westlaw and Lexis. On Lexis use the International sources. On Westlaw, access the international material via Services and then select Multinational materials - Court and Tribunal Cases to see a range of sources.
Treaties create binding legal obligations between subjects of international law.
You can access treaties on the UN Treaty Database.
The Flare Index to Treaties is a searchable database of basic information on over 2,000 of the most significant multilateral treaties and some bilateral treaties concluded between 1353 and the present, with details of where the full text of each treaty may be obtained in paper and, if available, electronic form on the Internet.
You can find official documents recording the negotiations, drafting, and discussions during the process of creating a treaty at Yale University's Collected Travaux Préparatoires.