ONIX Code Lists Issue 7, March 2007
List 26: Main subject scheme identifier code

Value Description Notes

09 UDC Universal Decimal Classification. Code
10 BISAC category code For information on BISAC subject categories, see http://www.bisg.org. Code
12 BIC subject category For all BIC subject codes and qualifiers, see http://www.bic.org.uk/subcats.html. Code
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
40 Nippon Decimal Classification Japanese subject classification scheme. Code
42 ANELE Materias Spain: subject coding scheme of the Asociación Nacional de Editores de Libros y Material de Enseñanza. Code
51 Spanish ISBN UDC subset Controlled subset of UDC codes used by the Spanish ISBN Agency. Code
52 ECI subject categories Subject categories defined by El Corte Inglés and used widely in the Spanish book trade. Code
53 Soggetto CCE Classificazione commerciale editoriale (Italian book trade subject category based on BIC). Code