ONIX Code Lists Issue 67, October 2024

List 27: Subject scheme identifier

Value Description Notes
01 Dewey Dewey Decimal Classification
02 Abridged Dewey
03 LC classification US Library of Congress classification
04 LC subject heading US Library of Congress subject heading
05 NLM classification US National Library of Medicine medical classification
06 MeSH heading US National Library of Medicine Medical subject heading
07 NAL subject heading US National Agricultural Library subject heading
08 AAT Getty Art and Architecture Thesaurus heading
09 UDC Universal Decimal Classification
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. See https://www.bisg.org/complete-bisac-subject-headings-list
11 BISAC Regional theme A geographical qualifier used with a BISAC subject category
12 BIC subject category For all BIC subject codes and qualifiers, see https://bic.org.uk/resources/BIC-Standard-Subject-Categories/
13 BIC geographical qualifier
14 BIC language qualifier (language as subject)
15 BIC time period qualifier
16 BIC educational purpose qualifier
17 BIC reading level and special interest qualifier
18 DDC-Sachgruppen der Deutschen Nationalbibliografie Used for German National Bibliography since 2004 (100 subjects). Is different from value 30. See http://www.dnb.de/service/pdf/ddc_wv_aktuell.pdf (in German) or http://www.dnb.de/eng/service/pdf/ddc_wv_aktuell_eng.pdf (English)
19 LC fiction genre heading
20 Keywords For indexing and search purposes, not normally intended for display. Where multiple keywords or keyword phrases are sent, this should be in a single instance of the <SubjectHeadingText> element, and it is recommended that they should be separated by semi-colons (this is consistent with Library of Congress preferred practice)
21 BIC children’s book marketing category See PA/BIC CBMC guidelines at https://bic.org.uk/resources/childrens-books-marketing-classifications/
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
23 Publisher’s own category code
24 Proprietary subject scheme As specified in <SubjectSchemeName>
25 Tabla de materias ISBN Latin America
26 Warengruppen-Systematik des deutschen Buchhandels See https://vlb.de/assets/images/wgsneuversion2_0.pdf (in German)
27 SWD Schlagwortnormdatei – Subject Headings Authority File in the German-speaking countries. See http://www.dnb.de/standardisierung/normdateien/swd.htm (in German) and http://www.dnb.de/eng/standardisierung/normdateien/swd.htm (English). Deprecated in favor of the GND
28 Thèmes Electre Subject classification used by Electre (France)
29 CLIL Classification thématique France. A four-digit number, see https://clil.centprod.com/listeActive.html (in French)
30 DNB-Sachgruppen Deutsche Bibliothek subject groups. Used for German National Bibliography until 2003 (65 subjects). Is different from value 18. See http://www.dnb.de/service/pdf/ddc_wv_alt_neu.pdf (in German)
31 NUGI Nederlandse Uniforme Genre-Indeling (former Dutch book trade classification)
32 NUR Nederlandstalige Uniforme Rubrieksindeling (Dutch book trade classification, from 2002), see http://www.boek.nl/nur (in Dutch)
33 ECPA Christian Book Category Former ECPA Christian Product Category Book Codes, consisting of up to three x 3-letter blocks, for Super Category, Primary Category and Sub-Category, previously at http://www.ecpa.org/ECPA/cbacategories.xls. No longer maintained by the ECPA. Deprecated
34 SISO Schema Indeling Systematische Catalogus Openbare Bibliotheken (Dutch library classification)
35 Korean Decimal Classification (KDC) A modified Dewey Decimal Classification used in the Republic of Korea
36 DDC Deutsch 22 German Translation of Dewey Decimal Classification 22. Also known as DDC 22 ger. See http://www.ddc-deutsch.de/produkte/uebersichten/
37 Bokgrupper Norwegian book trade product categories (Bokgrupper) administered by the Norwegian Publishers Association (http://www.forleggerforeningen.no/)
38 Varegrupper Norwegian bookselling subject categories (Bokhandelens varegrupper) administered by the Norwegian Booksellers Association (http://bokhandlerforeningen.no/)
39 Læreplaner-KL06 Norwegian school curriculum version. Deprecated
40 Nippon Decimal Classification Japanese subject classification scheme
41 BSQ BookSelling Qualifier: Russian book trade classification
42 ANELE Materias Spain: subject coding scheme of the Asociación Nacional de Editores de Libros y Material de Enseñanza
43 Utdanningsprogram Codes for Norwegian ‘utdanningsprogram’ used in secondary education. See: http://www.udir.no/. (Formerly labelled ‘Skolefag’)
44 Programområde Codes for Norwegian ‘programområde’ used in secondary education. See http://www.udir.no/. (Formerly labelled ‘Videregående’ or ‘Programfag’)
45 Undervisningsmateriell Norwegian list of categories for books and other material used in education
46 Norsk DDK Norwegian version of Dewey Decimal Classification
47 Varugrupper Swedish bookselling subject categories
48 SAB Swedish classification scheme
49 Läromedelstyp Swedish bookselling educational subject type
50 Förhandsbeskrivning Swedish publishers preliminary subject classification
51 Spanish ISBN UDC subset Controlled subset of UDC codes used by the Spanish ISBN Agency
52 ECI subject categories Subject categories defined by El Corte Inglés and used widely in the Spanish book trade
53 Soggetto CCE Classificazione commerciale editoriale (Italian book trade subject category based on BIC). CCE documentation available at https://www.ie-online.it/CCE2_2.0.pdf
54 Qualificatore geografico CCE CCE Geographical qualifier
55 Qualificatore di lingua CCE CCE Language qualifier
56 Qualificatore di periodo storico CCE CCE Time Period qualifier
57 Qualificatore di livello scolastico CCE CCE Educational Purpose qualifier
58 Qualificatore di età di lettura CCE CCE Reading Level Qualifier
59 VdS Bildungsmedien Fächer Subject code list of the German association of educational media publishers, formerly at http://www.bildungsmedien.de/service/onixlisten/unterrichtsfach_onix_codelist27_value59_0408.pdf. Deprecated – use Thema subject category (eg YPA – Educational: Arts, general) instead, and add a Thema language qualifier (eg 2ACB – English) for language teaching
60 Fagkoder Norwegian primary and secondary school subject categories (fagkoder), see http://www.udir.no/
61 JEL classification Journal of Economic Literature classification scheme
62 CSH National Library of Canada subject heading (English)
63 RVM Répertoire de vedettes-matière Bibliothèque de l’Université Laval) (French)
64 YSA Finnish General Thesaurus (Finnish: Yleinen suomalainen asiasanasto). See https://finto.fi/ysa/fi/ (in Finnish). Deprecated. No longer updated, and replaced by YSO (see code 71)
65 Allärs Swedish translation of the Finnish General Thesaurus (Swedish: Allmän tesaurus på svenska). See https://finto.fi/allars/sv/ (in Swedish). Deprecated. No longer updated, and replaced by YSO (see code 71)
66 YKL Finnish Public Libraries Classification System (Finnish: Yleisten kirjastojen luokitusjärjestelmä). See https://finto.fi/ykl/fi/ (in Finnish), https://finto.fi/ykl/sv/ (in Swedish), https://finto.fi/ykl/en/ (in English)
67 MUSA Finnish Music Thesaurus (Finnish: Musiikin asiasanasto). See https://finto.fi/musa/fi/ (in Finnish). Deprecated, and replaced by YSO (see code 71)
68 CILLA Swedish translation of the Finnish Music Thesaurus (Swedish: Specialtesaurus för musik). See https://finto.fi/musa/sv/ (in Swedish). Deprecated, and replaced by YSO (see code 71)
69 Kaunokki Finnish thesaurus for fiction (Finnish: Fiktiivisen aineiston asiasanasto). See https://finto.fi/kaunokki/fi/ (in Finnish). Deprecated. No longer updated, and replaced by Kauno and SLM (see codes D0 and D1)
70 Bella Swedish translation of the Finnish thesaurus for fiction (Swedish: Specialtesaurus för fiktivt material:). See https://finto.fi/kaunokki/sv/ (in Swedish). Deprecated. No longer updated, and replaced by Kauno and SLM (see codes D0 and D1)
71 YSO General Finnish Ontology (Finnish: Yleinen suomalainen ontologia). See https://finto.fi/yso/fi/ (in Finnish), https://finto.fi/yso/sv/ (in Swedish), https://finto.fi/yso/en/ (in English)
72 PTO Finnish Geospatial Domain Ontology (Finnish: Paikkatieto ontologia). See https://finto.fi/pto/fi/ (in Finnish), https://finto.fi/pto/sv/ (in Swedish), https://finto.fi/pto/en/ (in English)
73 Suomalainen kirja-alan luokitus Finnish book trade categorisation
74 Sears Sears List of Subject Headings
75 BIC E4L BIC E4Libraries Category Headings, formerly at http://www.bic.org.uk/51/E4libraries-Subject-Category-Headings/ but replaced by UK Standard Library Categories (code 92). Deprecated
76 CSR Code Sujet Rayon: subject categories used by bookstores in France
77 Suomalainen oppiaineluokitus Finnish school subject categories. See https://www.onixkeskus.fi/media/f/5722
78 Japanese book trade C-Code See https://isbn.jpo.or.jp/doc/08.pdf#page=44 (in Japanese)
79 Japanese book trade Genre Code
80 Fiktiivisen aineiston lisäluokitus Finnish fiction genre classification. See https://finto.fi/ykl/fi/page/fiktioluokka (in Finnish), https://finto.fi/ykl/sv/page/fiktioluokka (in Swedish), https://finto.fi/ykl/en/page/fiktioluokka (in English)
81 Arabic Subject heading scheme
82 Arabized BIC subject category Arabized version of BIC subject category scheme developed by ElKotob.com
83 Arabized LC subject headings Arabized version of Library of Congress scheme
84 Bibliotheca Alexandrina Subject Headings Classification scheme used by Library of Alexandria
85 Postal code Location defined by postal code. Format is two-letter country code (from List 91), space, postal code. Note some postal codes themselves contain spaces, eg ‘GB N7 9DP’ or ‘US 10125’
86 GeoNames ID ID number for geographical place, as defined at http://www.geonames.org (eg 2825297 is Stuttgart, Germany, see http://www.geonames.org/2825297)
87 NewBooks Subject Classification Used for classification of academic and specialist publication in German-speaking countries. See http://www.newbooks-services.com/de/top/unternehmensportrait/klassifikation-und-mapping.html (German) and http://www.newbooks-services.com/en/top/about-newbooks/classification-mapping.html (English)
88 Chinese Library Classification Subject classification maintained by the Editorial Board of Chinese Library Classification. See http://cct.nlc.gov.cn for access to details of the scheme
89 NTCPDSAC Classification Subject classification for Books, Audiovisual products and E-publications formulated by China National Technical Committee 505
90 Season and Event Indicator German code scheme indicating association with seasons, holidays, events (eg Autumn, Back to School, Easter)
91 GND (de: Gemeinsame Normdatei) Integrated Authority File used in the German-speaking countries. See https://www.dnb.de/DE/Professionell/Standardisierung/GND/gnd_node.html (German) and https://www.dnb.de/EN/Professionell/Standardisierung/GND/gnd_node.html (English). Combines the PND, SWD and GKD into a single authority file, and should be used in preference to the older codes
92 BIC UKSLC UK Standard Library Categories, the successor to BIC’s E4L classification scheme. See https://bic.org.uk/resources/uk-standard-library-categories/
93 Thema subject category International multilingual subject category scheme – see https://ns.editeur.org/thema
94 Thema place qualifier
95 Thema language qualifier
96 Thema time period qualifier
97 Thema educational purpose qualifier
98 Thema interest age / special interest qualifier
99 Thema style qualifier
A2 Ämnesord Swedish subject categories maintained by Bokrondellen
A3 Statystyka Książek Papierowych, Mówionych I Elektronicznych Polish Statistical Book and E-book Classification
A4 CCSS Common Core State Standards curriculum alignment, for links to US educational standards. <SubjectCode> uses the full dot notation. See http://www.corestandards.org/developers-and-publishers
A5 Rameau French library subject headings
A6 Nomenclature discipline scolaire French educational subject classification, URI http://data.education.fr/voc/scolomfr/scolomfr-voc-015GTPX
A7 ISIC International Standard Industry Classification, a classification of economic activities. Use for books that are about a particular industry or economic activity. <SubjectCode> should be a single letter denoting an ISIC section OR a 2-, 3- or 4-digit number denoting an ISIC division, group or class. See http://unstats.un.org/unsd/cr/registry/isic-4.asp
A8 LC Children’s Subject Headings Library of Congress Children’s Subject Headings: LCSHAC supplementary headings for Children’s books
A9 Ny Läromedel Swedish bookselling educational subject
B0 EuroVoc EuroVoc multilingual thesaurus. <SubjectCode> should be a EuroVoc concept dc:identifier (for example, 2777, ‘refrigerated products’). See http://eurovoc.europa.eu
B1 BISG Educational Taxonomy Controlled vocabulary for educational objectives. See https://www.bisg.org/products/recommendations-for-citing-educational-standards-and-objectives-in-metadata
B2 Keywords (not for display) For indexing and search purposes, MUST not be displayed. Where multiple keywords or keyword phrases are sent, this should be in a single instance of the <SubjectHeadingText> element, and it is recommended that they should be separated by semi-colons. Use of code B2 should be very rare: use B2 in preference to code 20 only where it is important to show the keyword list is specifically NOT for display to purchasers (eg some keywords for a medical textbook may appear offensive if displayed out of context)
B3 Nomenclature Diplôme French higher and vocational educational subject classification, URI http://data.education.fr/voc/scolomfr/scolomfr-voc-029
B4 Key character names For fiction and non-fiction, one or more key names, provided – like keywords – for indexing and search purposes. Where multiple character names are sent, this should be in a single instance of <SubjectHeadingText>, and multiple names should be separated by semi-colons. Note <NameAsSubject> should be used for people who are the central subject of the book. Code B4 may be used for names of lesser importance
B5 Key place names For fiction and non-fiction, one or more key names, provded – like keywords – for indexing and search purposes. Where multiple place names are sent, this should in a single instance of <SubjectHeadingText>, and multiple names should be separated by semi-colons. Only for use in ONIX 3.0 or later
B6 FAST Faceted Application of Subject Terminology, OCLC subject scheme derived from LCSH (see code 04). See https://fast.oclc.org/fast/. Codes are up to 8 digits, for example 1726640 for Historical fiction (see https://id.worldcat.org/fast/1726640). Only for use in ONIX 3.0 or later
B7 NGSS Next Generation Science Standards for K-12 education in the USA (https://www.nextgenscience.org). <SubjectCode> is a code such as 4-PS3-2. Only for use in ONIX 3.0 or later
B8 MVB-Lesemotive MVB classification of ‘reading rationales’, which classify unconscious motives that lead to a book purchase. Categories are assigned and maintained by MVB. Only for use in ONIX 3.0 or later. See https://vlb.de/lesemotive
B9 LOPS21 Subject module Finnish Suomalainen oppiaineluokitus. Only for use in ONIX 3.0 or later
C0 Læreplaner-LK20 Codes for Norwegian curriculum for primary and secondary education. Only for use in ONIX 3.0 or later. See Læreplaner-LK20 at https://www.udir.no/om-udir/data/kl06-grep/
C1 Kompetansemål-LK20 Codes for competency aims in the Norwegian curriculum for primary and secondary education. Only for use in ONIX 3.0 or later. See Kompetansemål-LK20 at https://www.udir.no/om-udir/data/kl06-grep/
C2 Kompetansemålsett-LK20 Codes for sets of competency aims in the Norwegian curriculum for primary and secondary education. Only for use in ONIX 3.0 or later. See Kompetansemålsett-LK20 at https://www.udir.no/om-udir/data/kl06-grep/
C3 Tverrfaglige temaer-LK20 Codes for interdisciplinary topics in the Norwegian curriculum for primary and secondary education. Only for use in ONIX 3.0 or later. See Tverrfaglige temaer-LK20 at https://www.udir.no/om-udir/data/kl06-grep/
C4 CLIL – Type d’article scolaire Only for use in ONIX 3.0 or later
C5 GAR – Type pédagogique Gestionnaire d’Accès aux resources – see https://gar.education.fr/ Only for use in ONIX 3.0 or later
C6 ISCED-F UNESCO ISCED Fields of education and training (2013), eg <SubjectCode> 0222 is ‘History and archaeology’. Only for use in ONIX 3.0 or later. See http://uis.unesco.org/sites/default/files/documents/international-standard-classification-of-education-fields-of-education-and-training-2013-detailed-field-descriptions-2015-en.pdf
C7 Klassifikationen von Spielen, Puzzles und Spielwaren German category scheme for games, puzzles and toys. Only for use in ONIX 3.0 or later. See https://www.ludologie.de/fileadmin/user_upload/PDFs/211126_Kategorisierung_von_Spielen_Puzzles_und_Spielwaren.pdf
C8 NBVok NTSF National Library of Norway genre and form thesaurus. Only for use in ONIX 3.0 or later. See https://www.nb.no/nbvok/ntsf
C9 JPRO Genre Subject / genre code used in Japan. Only for use in ONIX 3.0 or later
D0 KAUNO Finnish Ontology for fiction (Finnish: Fiktiivisen aineiston ontologia). See https://finto.fi/kauno/fi/ (in Finnish), https://finto.fi/kauno/sv/ (in Swedish), https://finto.fi/kauno/en/ (in English). Only for use in ONIX 3.0 or later
D1 SLM Finnish genre and form vocabulary (Finnish: Suomalainen lajityyppi ja muotosanasto). See https://finto.fi/slm/fi/ (in Finnish), https://finto.fi/slm/sv/ (in Swedish), https://finto.fi/slm/en/ (in English). Only for use in ONIX 3.0 or later
D2 YSO-places General Finnish Ontology for Places (Finnish: Yleinen suomalainen ontologia – paikat). See https://finto.fi/yso-paikat/fi/ (in Finnish), https://finto.fi/yso-paikat/sv/ (in Swedish), https://finto.fi/yso-paikat/en/ (in English). Only for use in ONIX 3.0 or later