ONIX Code Lists Issue 11
List 27: Subject scheme identifier code
Value Description Notes Issue
01 Dewey Dewey Decimal Classification 0
02 Abridged Dewey 0
03 LC classification US Library of Congress classification 0
04 LC subject heading US Library of Congress subject heading 0
05 NLM classification US National Library of Medicine medical classification 9
06 MeSH heading US National Library of Medicine Medical subject heading 9
07 NAL subject heading US National Agricultural Library subject heading 9
08 AAT Getty Art and Architecture Thesaurus heading 9
09 UDC Universal Decimal Classification 0
10 BISAC Subject Heading BISAC Subject Headings are used in the North American market to categorize books based on topical content. They serve as a guideline for shelving books in physical stores and browsing books in online stores. 0
11 BISAC region code A geographical qualifier used with a BISAC subject category 5
12 BIC subject category For all BIC subject codes and qualifiers, see http://www.bic.org.uk/7/BIC-Standard-Subject-Categories/. 0
13 BIC geographical qualifier 0
14 BIC language qualifier (language as subject) 0
15 BIC time period qualifier 0
16 BIC educational purpose qualifier 0
17 BIC reading level and special interest qualifier 6
18 DDC-Sachgruppen der Deutschen Nationalbibliografie Used for German National Bibliography since 2004 (100 subjects). Is different from value 30. 9
19 LC fiction genre heading 0
20 Keywords Where multiple keywords or keyword phrases are sent in a single instance of the <SubjectHeadingText> element, it is recommended that they should be separated by semi-colons (this is consistent with Library of Congress preferred practice) 0
21 BIC children’s book marketing category See http://www.bic.org.uk/8/Children's-Books-Marketing-Classifications/ 0
22 BISAC Merchandising Theme BISAC Merchandising Themes are used in addition to BISAC Subject Headings to denote an audience to which a work may be of particular appeal, a time of year or event for which a work may be especially appropriate, or to further describe fictional works that have been subject-coded by genre 0
23 Publisher’s own category code 0
24 Proprietary subject scheme As specified in <SubjectSchemeName> 0
25 Tabla de materias ISBN Latin America 0
26 Warengruppen-Systematik des deutschen Buchhandels 0
27 Schlagwort-Normdatei (SWD) Subject heading text 0
28 Thèmes Electre Subject classification used by Electre (France) 0
29 CLIL France 0
30 DNB-Sachgruppen Deutsche Bibliothek subject groups. Code. Used for German National Bibliography until 2003 (65 subjects). Is different from value 18. 1
31 NUGI Nederlandse Uniforme Genre-Indeling (former Dutch book trade classification) 1
32 NUR Nederlandstalige Uniforme Rubrieksindeling (Dutch book trade classification, from 2002) 1
33 ECPA Christian Book Category ECPA Christian Product Category Book Codes, consisting of up to three x 3-letter blocks, for Super Category, Primary Category and Sub-Category. See http://www.ecpa.org/ECPA/cbacategories.xls 1
34 SISO Schema Indeling Systematische Catalogus Openbare Bibliotheken (Dutch library classification) 1
35 Korean Decimal Classification (KDC) A modified Dewey Decimal Classification used in the Republic of Korea 1
36 DDC 22 ger Code. German Translation of DDC 22. Also known as DDC Deutsch 22 2
37 Bokgrupper Norwegian book trade product categories (4701) 5
38 Varegrupper Norwegian bookselling subject categories (4702) 5
39 Læreplaner Norwegian school curriculum version (4703) 6
40 Nippon Decimal Classification Japanese subject classification scheme 5
41 BSQ BookSelling Qualifier: Russian book trade classification 5
42 ANELE Materias Spain: subject coding scheme of the Asociación Nacional de Editores de Libros y Material de Enseñanza 5
43 Skolefag Norwegian primary and secondary school subject categories (4705) 6
44 Videregående Norwegian list of categories used in higher secondary education and vocational training (4706) 6
45 Undervisningsmateriell Norwegian list of categories for books and other material used in education (4707) 6
46 Norsk DDK Norwegian version of Dewey Decimal Classification 6
47 Varugrupper Swedish bookselling subject categories 7
48 SAB Swedish classification scheme 7
49 Läromedel Swedish bookselling educational subject 7
50 Förhandsbeskrivning Swedish publishers preliminary subject classification 7
51 Spanish ISBN UDC subset Controlled subset of UDC codes used by the Spanish ISBN Agency 7
52 ECI subject categories Subject categories defined by El Corte Inglés and used widely in the Spanish book trade 7
53 Soggetto CCE Classificazione commerciale editoriale (Italian book trade subject category based on BIC) 7
54 Qualificatore geografico CCE 7
55 Qualificatore di lingua CCE 7
56 Qualificatore di periodo storico CCE 7
57 Qualificatore di livello scolastico CCE 7
58 Qualificatore di età di lettura CCE 7
59 VdS Bildungsmedien Fächer Subject code list of the German association of educational media publishers 7
60 Fagkoder Undervisningsdirektoratets fagkoder for kunnskapsløftet I videregående (Norwegian educational curriculum for secondary schools) (4708) 7
61 JEL classification Journal of Economic Literature classification scheme 7
62 CSH National Library of Canada subject heading (English) 9
63 RVM Répertoire de vedettes-matière (Bibliothèque et Archives Canada et Bibliothèque de l'Université Laval) (French) 9
64 YSA Yleinen suomalainen asiasanasto: Finnish General Thesaurus 8
65 Allärs Allmän tesaurus på svenska: Swedish translation of the Finnish General Thesaurus 8
66 YKL Yleisten kirjastojen luokitusjärjestelmä: Finnish Public Libraries Classification System 8
67 MUSA Musiikin asiasanasto: Finnish Music Thesaurus 8
68 CILLA Specialtesaurus för musik: Swedish translation of the Finnish Music Thesaurus 8
69 Kaunokki Fiktiivisen aineiston asiasanasto: Finnish thesaurus for fiction 8
70 Bella Specialtesaurus för fiktivt material: Swedish translation of the Finnish thesaurus for fiction 8
71 YSO Yleinen suomalainen ontologia: Finnish General Upper Ontology 8
72 Paikkatieto ontologia Finnish Place Ontology 8
73 Suomalainen kirja-alan luokitus Finnish book trade categorisation 8
74 Sears Sears List of Subject Headings 9
75 BIC E4L BIC E4Libraries Category Headings 9
76 CSR Code Sujet Rayon: subject categories used by bookstores in France 11
77 Suomalainen oppiaineluokitus Finnish school subject categories 11