Universal Decimal Classification

Following the release of UDC MRF12, the content of the UDC Summary is being revised. Additionally, UDC Summary linked data will undergo change in access, presentation and structure. Therefore, the current UDC Summary linked data is unavailable until this work is complete. The new UDC data service will be available shortly.

Please email udcs AT udcc.org if you have any queries regarding UDC linked data.