Rule 20 addresses citing to foreign cases, statutes, and other legal materials, including non-English language documents (Rule 20.2).
Table T2 contains examples of citing to materials from selected foreign jurisdictions. Starting with the 21st edition of The Bluebook, T2 is available online only at https://www.legalbluebook.com/bluebook/v21/tables/t2-foreign-jurisdictions. For guidance on citing to jurisdictions not included in T2, please refer to Additional Resources.
In foreign law research, it is sometimes difficult to track down original primary law materials. In such cases, The Bluebook permits citing to "works that discuss or quote the primary authority" using phrases such as "noted in," "construed in", "quoted in," "reviewed by," and so on (Rule 1(c)).
Rule 21 covers citing to international materials. Below is a list of Bluebook rules for frequently cited international materials:
Rule 21.4
In Rule 12.4.5, "Treaty Sources", The Bluebook distinguishes between:
Table T4, "Treaty Sources", lists official U.S. sources, intergovernmental sources, and unofficial sources, and provides citation templates in each category.
For guidance on treaty research, please consult the Mabie Law Library's guide on Foreign and International Legal Research - Treaty Research. The guide organizes treaty sources in order of Bluebook preference.
European Union Courts
(Including the Court of Justice of the European Union and the courts of EU member states)
Rule 21.5.2