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
Early Bird Registration closes 30 June: International UDC Seminar 2017, London, 14-15 September 2017
29/06/2017
The International UDC Seminar 2017 "Faceted Classification Today: Theory, Technology and End Users" will take place in London on 14-15 September 2017 at Wellcome Collection. Do not miss your early bird registration discount!
UDC Update at IFLA
03/06/2017
UDC Update at IFLA World Library and Information Congress (Wroclaw, Poland) - will take place on Monday, 21 August 2017 - 12:45-13:45 - in room IASE 1/51.
Events