i

• i-research 爱学术 Access via CARSI
  Extensive e-book library of foreign language materials from the world's leading publishers.
• Index to Foreign Legal Periodicals PKU-VPN UTL Remote Access
  Produced by the American Association of Law Libraries (AALL), the Index to Foreign Legal Periodicals (IFLP) is the preeminent multilingual index to articles and book reviews appearing in more than 800 legal journals published worldwide.
• Index To Legal Periodicals & Books (H.W. Wilson)
  Index to Legal Periodicals & Books, produced by the H.W. Wilson Company, provides indexing of 850 legal journals, law reviews, yearbooks, institutes, bar association publications, university publications, and government publications.
• Investment Claims PKU-VPN UTL Remote Access
  Investment Claims is a regularly updated collection of materials and analysis used for research in international investment law and arbitration.
• Investor-State LawGuide PKUSZ-VPN EasyConnect
  Investor-State LawGuide (ISLG)™ has mapped the world of investment treaty law by capturing the relationships between treaties, arbitral rules, cases and other key materials.