The library classifies books by subject using the following classification systems:

1. General Books
   Classified according to the Library of Congress Classification (LCC) system.
2. Law Books
   • Thai Law Books are classified using the Schiller Classification System.
   • English Law Books are classified according to the Library of Congress Classification (LCC) system.
3. Medical and Health Sciences Books
   Classified according to the National Library of Medicine (NLM) Classification system.

Users can search for library information resources through the Online Public Access Catalog (OPAC).

Additional information for searching information resources includes:

• Storage and access to information resources
• General book classification
• Medical and health sciences book classification
• Law book classification
• Information resource location (Location Code)
• Information resource status (Item Status)