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The Max Planck Encyclopedia of Public International Law (MPEPIL) is a comprehensive online resource containing peer-reviewed articles on every aspect of public international law. Written and edited by an incomparable team of over 800 scholars and practitioners, published in partnership with the Max Planck Institute for Comparative Public Law and International Law, and updated throughout the year, this major reference work is essential for anyone researching or teaching international law.

Find out more about the history of the encyclopedia and the auspicious editorial team.

User benefits

  • Cross-search between Oxford's Public International Law services
  • New articles added, and content updated throughout the year
  • Find content quickly with sophisticated searching and filtering
  • Speed up the research process with personalisation options - save often used articles for fast access in future sessions
  • Print friendly PDFs are available for each article
  • Extend research capabilities via the Oxford Law Citator

MPEPIL supports librarians by providing:

  • Excellent customer support
  • COUNTER-compliant statistics at subject and title level
  • OpenURL compliance, connecting citations straight into the library’s catalogue
  • A clear Legal Notice and Privacy Policy, to refer to for issues such as printing and download limits
  • RSS feeds delivering the latest news straight to your desktop

Obtaining Access to MPEPIL

Subscriptions and 30-day free-trials are available to institutions for all of our resources.
If you are an academic, professional or student, you can recommend MPEPIL to your Librarian or take out a personal subscription.