universal decimal classification
UDC Headquarters, The Hague
universal decimal classification
UDC Headquarters - Koninklijke Bibliotheek, The Hague
universal decimal classification
UDC Headquarters - Koninklijke Bibliotheek, The Hague
universal decimal classification
a classification scheme for all fields of knowledge
Universal Decimal Classification
UDC is one of the most widely used classification
schemes for all fields of knowledge. It is used in
libraries, bibliographic, documentation and
information services in over 130 countries around
the world and is published in over 40 languages.
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UDC Consortium
The UDCC is a non-profit association of publishers
established to maintain, develop and distribute the
UDC for the benefit of its users. Apart from its strategic,
managerial and promotional responsibilities, the UDCC
also appoints an editorial team and advisory board to
oversee the content of the scheme and contribute to
its regular revision in order to reflect new knowledge.
UDC Books and Schedules
News
New UDC Online in French
02/09/2018
UDC Online in the French language CDU Online : Français is now available and a free testing period is open until December 1st. Information & library professionals and educators are invited to apply for a free trial account.
General Data Protection Regulation
25/05/2018
The General Data Protection Regulation (GDPR) came into force on 25th May 2018 and provides data protection and privacy rights to citizens of the European Union. For more information about the UDC Consortium and the GDPR, please read our updated privacy policy.
Events
September
28
Colloquium Research Information Systems and Science Classifications: revisiting the NARCIS classification
The Hague (Netherlands)
October
23
Limassol (Cyprus)
November
25
ISKO Maghreb 2018: 7th International ISKO Symposium "Knowledge Organization in the perspective of Digital Humanities"
Bejaïa (Algeria)
