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The Catalog Division is responsible for the organization of collections acquired through purchase, copyright, legal deposits, gifts and exchange, donations and photo reproduction. The Dewey Decimal Classification is adopted as its scheme. On the other hand, the Classification Scheme for Philippine Government Publications is used for government publications and the Library of Congress Classification Scheme for PNB materials. 


  • Provides centralized cataloging service for the National Library and its affiliated public libraries’ holdings;

  • Maintains NLP’s Online Public Access Catalog (OPAC) bibliographic records;

  • Provides bibliographic entries in the NLP’s Philippine National Bibliography (PNB) publication;

  • Develops and implements technical policies, procedures and standards in cataloging for use by the Library;

  • Provides consultative cataloging services to other libraries, especially to public libraries;

  • Conducts actual in-service training to library professionals, paraprofessionals and LIS interns;

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