- Universal Decimal Classification Consortium
Organization maintaining and promoting Universal Decimal Classification, a system of cataloging and indexing books and knowledge developed by Paul Otlet at the end of the 19th century.
www.udcc.org
- Otlet, Paul (1868-1944)@
dir.yahoo.com/.../Librarians/Otlet__Paul__1868_1944_
- Wikipedia: Universal Decimal Classification
Overview of Universal Decimal Classification, a method of large-scale library cataloging and indexing based on the Dewey Decimal system.
en.wikipedia.org/wiki/Universal_Decimal_Classification
- Universal Decimal Classification System
Quick reference to the numerical subject headings used in the Universal Decimal Classification System, from 00 (Generalities) to 94 (History).
www.unido.org/library/help/udc.html
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