For introductory information, use this book: Marci B. Hoffman & Robert C. Berring, International Legal Research in a Nutshell (2008). Just be cautious because it is already becoming a bit dated when it comes to electronic resources. The book discusses much of what we will cover here but in a much more in-depth manner. The book includes URLs and screenshots, some of which are already outdated. KZ1234 .H64 2008 (reserve).
For lists of resources (including URLs!) and more up-to-date information, use this book: George Wash. Int’l Law Review, Guide to International Legal Research (2015). The introduction provides an overview of sources of international law, including the traditional sources like conventions and customs, while introducing the influence of municipal courts and soft law. Chapters are arranged by geographic region – like South Asia and the Middle East – and by subject – like intellectual property and maritime law. Avaialble: Lexis Advance; KZ1234 .G85 (2015) (reference).
Citations to international and foreign sources can be incredibly confusing. In the Bluebook, be sure to read the entirety of Rules 20 (Foreign Materials) and 21 (International Materials) in conjunction with their relevant tables in T1 and T2. You may also wish to consult N.Y. Univ. Sch. of Law Journal of Int’l Law & Politics, Guide to Foreign and International Legal Citations (2nd ed. 2009). K89 .G85 2009 (reference).
Abbreviations and acronyms are abundant. For help deciphering (when you don’t find it on Google):
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