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 Seminar "Classification & Authority Control" - Early Bird Registration closes 31 July 2015
15/07/2015
The International UDC Seminar "Classification & Authority Control: Expanding Resource Discovery" will take place in The National Library of Portugal in Lisbon, on 29-30 October 2015.
Croatian UDC Online Release
22/06/2015
UDC Online in the Croatian language Hrvatski UDK Online was released on 22 June 2015. The service is result of a collaboration between UDC Consortium and National and University Library in Zagreb.
Events
August
15
The 81st IFLA World Library and Information Congress entitled "Dynamic Libraries: Access, Development and Transformation" will take place in Cape Town, South Africa between 15-21 August.
Cape Town, South Africa