ONIX Code Lists Issue 3, August 2004
List 26: Main subject scheme identifier code

Value Description Notes

25 Tabla de materias ISBN Latin America. Code
26 Warengruppen-Systematik des deutschen Buchhandels Code
28 Thèmes Electre Subject classification used by Electre (France). Code
29 CLIL (France) Code
30 DNB-Sachgruppen Deutsche Bibliothek subject groups. Code
32 NUR Nederlandstalige Uniforme Rubrieksindeling (Dutch book trade classification). Code
33 ECPA Christian Book Category ECPA Christian Product Category Book Codes, consisting of up to three 3-letter blocks, for Super Category, Primary Category and Sub-Category. See http://www.ecpa.org/ECPA/cbacategories.xls. Code
35 Korean Decimal Classification (KDC) A modified Dewey Decimal Classification used in the Republic of Korea. Code
36 DDC Deutsch Code