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3.3.2.2: Dewey Decimal Classification (DDC)

Hierarchical classification system to organize all areas of knowledge.

The number of subclasses of a single class is restricted to 10 in each level of generalization.

Melvil Dewey (1851 - 1931): 1876 first edition.

ZUGANGAbb. 13: Top level classes of the DDC (according to http://www.oclc.org/oclc/fp/about/ddc21sm1.htm)

ZUGANGAbb. 14: Level 2 classes of the DDC (according to http://www.oclc.org/oclc/fp/about/ddc21sm2.htm)

ZUGANGAbb. 15: A path through the International Decimal Classification IDC (according to Manecke 1997)

ZUGANGAbb. 16: A path through the German version of the International Decimal Classification IDC (according to Fuhr 1995)


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