The
Audiovisual Library describes itself as:
"a unique, multimedia resource which provides the United Nations with the unprecedented capacity to provide high quality international law training and research materials to an unlimited number of recipients on a global level. The Audiovisual Library consists of three pillars: (1) the Historic Archives containing documents and audiovisual materials relating to the negotiation and adoption of significant legal instruments under the auspices of the United Nations and related agencies since 1945; (2) the Lecture Series featuring a permanent collection of lectures on virtually every subject of international law given by leading international law scholars and practitioners from different countries and legal systems; and (3) theResearch Libraryproviding an on-line international law library with links to treaties, jurisprudence, publications and documents, scholarly writings and research guides. The Audiovisual Library is available to all individuals and institutions around the world for free via the Internet."
It's got some useful resources on it, and easily findable