Universal Decimal Classification

Library classification adapted from Dewey's system by Otlet and La Fontaine to index all recorded knowledge; still maintained today.

Read the specification ↗ udcc.org

builds on

• Dewey Decimal Classification standard 1876 [src]

created by

• Henri La Fontaine person 1854–1943 [src]
• Paul Otlet person 1868–1944 [src]

Sources

• https://en.wikipedia.org/wiki/Universal_Decimal_Classification