In the acquisition and selection process, the focus of the Library is on 15 main topics - the core of the Collection -, based on User statistics with regard to alerts and requests of the previous three years. These topics are:

  1. Public international law
  2. Customary international law
  3. Law of treaties
  4. Territory and jurisdiction
  5. Law of the sea
  6. International trade
  7. International organizations
  8. Human rights
  9. International criminal law
  10. International peace and security
  11. Settlement of international disputes
  12. International humanitarian law
  13. Private international law
  14. International law of procedure
  15. Municipal and comparative law