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DDC Deutsch - Dewey-Dezimalklassifikation (German Dewey Decimal Classification)


The Dewey Decimal Classification (DDC) is the most widely-used universal classification system internationally. The nonprofit cooperative OCLC is in charge of its maintenance and licensing. Translated versions exist in more than 30 languages, with French, Spanish, Italian, Norwegian, and Russian translations being the most recent. The German translation of the 22nd edition was produced in a joint project by the German National Library and the Cologne University of Applied Sciences (CUAS) between 2002 and 2005, and published in print by K. G. Saur (today De Gruyter Saur) at the end of 2005. German National Library simultaneously launched the web service Melvil, which provides DDC German for classification and as a retrieval tool for searching DDC classified documents. (In November 2012, Melvil was replaced by the web application WebDewey Deutsch and the catalogue research tool WebDewey Search). The German National Library is in charge of the DDC Deutsch consortium founded in 2000; the DDC Deutsch expert group has supervised the project work since 2001. All DDC classified records of the German National Bibliography have been organised by DDC-based subject categories since 2004. Starting in 2006, publications of the series B and H of the German National Bibliography are classified with full DDC numbers, and as of 2007, the series A publications also receive subject headings.

Translation of the 22nd edition of the Dewey Decimal Classification system into German, while taking into account the necessary expansions and revisions of the original English versions for use of the DDC in German-speaking countries. The development of a German language web version.

Project partners


Project duration

2002 - 2005

Further information (available only in German)

Last update: 28.01.2015

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