The Max Planck Encyclopedia of Public International Law (MPEPIL) and the Max Planck Encyclopedia of International Procedural Law (MPEiPro) together contain 2,245+ peer-reviewed articles on every aspect of the substance of international law.
MPEPIL (which now contains over 1,750 articles) is regularly updated with both new articles and updates to existing articles. New articles are added to MPEiPro (which now contains over 485 articles) on a periodic and frequent basis throughout the course of each year.
You may download a list of the articles published in each of these encyclopedias by clicking here (for MPEPIL) and here for (MPEiPro). These lists are in alphabetical order by title, display the title and author(s) of each article, and contain clickable links to the articles themselves. They will be updated on an ongoing basis as needed whenever an update to the relevant encyclopedia is published.