1) International Legal Research Tutorial: a collaboration between Duke Law Library and UC Berkeley Law Library
2) For a comprehensive guide see the International and Foreign Animal Law research guide at Georgetown Law Library.
3) When using Google to find international and foreign law documents you can narrow a search to a specific web site with the site: search command.
International Library Catalogs
Treaty Collections and Web Sites
United States Treaty Research
There is no single source for finding, retrieving, or updating treaties or international agreements. As a result, a researcher will often need to be creative and consult several sources when researching a particular treaty. Start with a research guide or visit the U.S. Department of State Treaty Affairs site.
Treaties from Other Countries (non-U.S.)
Proposed Treaty: Universal Declaration on Animal Welfare (UDWA)
Specific International Agreements
CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora)
species protection for wild animals
WTO (World Trade Organization)
Specific European Union Treaties
Constitution Project (World Animal Net)
Working Papers, Reports and Scholarly Publications
Web Sites, News, and Blogs