Support for classification upgrades, whether upgrading from one edition of the Dewey Decimal System

The purpose of this service is to update and enrich the authority data of member libraries. The

Retrospective conversions require high-quality control for library records to ensure they adhere to catalog best practices.

In this service, the Arabic Union Catalog catalogs library collections are not currently included in

- This is a unique and innovative service not offered by any other Arab institution currently. - The