This page is a very brief recommendation on resources on International law. You might also wish to consult Human Rights Subject Guides.
You might also want to consult with International Legal Materials that provide introductory notes to important new multilateral treaties;
If you are not familiar with the terms used in relation to treaties, have a look at
Council of Europe
European Union
Organization of American States
African Union
Employment
Foreign Investment
Intellectual Property
Human Rights
Children
Arbitration
Advanced Institute for Legal Studies' electronic resource guide contains a good chapter on International Commercial Arbitration
Criminal
Have a look at the Case-Law section in Human Rights Subject Guide.
Maritime
Trade