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Treaty Research Guide

Focus: Bluebook-compliant treaty sources.

IL-Focused Digital Encyclopedias Available Through BLS Library (subscription sources)

Max Planck Encyclopedias of International Law (MPEIL)

  • In SARA catalog record, click: ACCESS ONLINE VERSION - CAMBRIDGE.

MPEIL Search Tips:

  • In MPEIL's main screen search box, enter the title of a treaty in quotation marks. 
  • Or, click: Subject > Law of Treaties
    • In left column, under: Narrow Your Choices, click the "+" to the left of Law of Treaties to view the treaty subcategories and to link to articles classified under each subcategory.

Examples of MPEIL articles include:

  • Gudmundur Alfredsson, Indigenous Peoples, Treaties with (updated Jan. 2022)
  • Anthony Aust, The Vienna Convention on the Law of Treaties (1969) (updated Mar. 2023)
  • Jutta Brunnée, Consent (updated Jan. 2022)
  • Jutta Brunnée & Christopher Campbell-Duruflé, Environment, Multilateral Agreements (updated Nov. 2022) + James Harrison, Environmental Accidents (updated Dec. 2023)
  • John Henry Dingfelder Stone, Medellín v Texas Case (updated Nov. 2024)
  • Thomas Giegerich, Treaties, Multilateral, Reservations to (updated Sept. 2020)
  • Karoline Hovland Lyngstadaas, Duty to Negotiate (updated Feb. 2025)
  • Juliane Kokott & Lauri Mälksoo, States, Sovereign Equality (updated Mar. 2023)

TIP: These articles cite to many related decisions.  To find decisions, visit Paper Topic Development: International guide sub-page: Texts of Cases and Arbitral Awards.  

Additional digital encyclopedias available through BLS Library:

Cambridge Compendium of International Commercial and Investment Arbitration

  • In SARA catalog record, click: ACCESS ONLINE VERSION - CAMBRIDGE.
  • Preface states "Like an encyclopedia, the Compendium contains [67] entries for most of the foundational principles and concepts underlying arbitration."  Each Compendium entry provides an overview of key issues.  Footnotes in an entry highlight many more sources. 
  • Either search this Compendium by keyword(s) + link to search results or skim the table of contents + link to a potentially useful entry. 
    • Re. the "Related content" to the right of each Compendium entry: BLS researchers will need to search SARA catalog (by a book's title) or SARA catalog's "Find a Source" tool (by a periodical's title) to determine if BLS Library provides a related source.  (Contact askthelibrary@brooklaw.edu for help.)
  • Publication of this online Compendium occurred in Feb. 2023.  

Elgar Encyclopedia of Environmental Law

  • In SARA catalog record, click: ACCESS ONLINE VERSION - ELGAR.
  • Comprises 12 reference volumes organized around "top level" subjects (e.g., water, energy and climate change).
  • Expand the table of contents to identify pertinent chapters.  Chapter authors are "international experts."
  • Publication of this Elgar Encyclopedia occurred on Mar. 30, 2023.
  • Includes: Volume V: Multilateral Environmental Treaties

Elgar Encyclopedia of Human Rights 

  • In SARA catalog record, click: ACCESS ONLINE VERSION - ELGAR.
  • Includes 340+ entries on the study and practice of human rights.  Entries include bibliographies.
  • Click a letter of the alphabet in the table of contents or use "Search within Book" feature (on right).
  • Publication of this Elgar Encyclopedia occurred on Sept. 6, 2022.