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
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.
New Spanish UDC textbook
25/05/2017
A new textbook "Clasificación Decimal Universal: manual básico" by Edgardo Civallero is now available from Trea.