Guides to topics in international law research, prepared by the Peace Palace Library as part of their support for the UN's International Court of Justice and other international organizations located in the Hague's Peace Palace.
Guides to international legal research, prepared by New York's Dag Hammarskjöld Library as part of their support for the UN bodies located in New York.
Guide to international and foreign legal research, written by two preeminent international and foreign law librarians. Generally considered the gold standard guide to international and foreign legal research.
Guide geared towards the novice international law researcher, with extensive background explaining the context behind major international legal organizations and materials.