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List 27: Subject scheme identifier code

Value Description Notes Issue number
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. See 0
11 BISAC Regional theme A geographical qualifier used with a BISAC subject category 5
12 BIC subject category For all BIC subject codes and qualifiers, see 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. See (in German) or (English) 9
19 LC fiction genre heading 0
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) 34
21 BIC children’s book marketing category See’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 See (in German) 28
27 SWD Schlagwortnormdatei – Subject Headings Authority File in the German-speaking countries. See (in German) and (English). DEPRECATED in favour of the GND 18
28 Thèmes Electre Subject classification used by Electre (France) 0
29 CLIL France. A four-digit number, see (in French). The first digit identifies the version of the scheme 22
30 DNB-Sachgruppen Deutsche Bibliothek subject groups. Used for German National Bibliography until 2003 (65 subjects). Is different from value 18. See (in German) 9
31 NUGI Nederlandse Uniforme Genre-Indeling (former Dutch book trade classification) 1
32 NUR Nederlandstalige Uniforme Rubrieksindeling (Dutch book trade classification, from 2002, see (in Dutch) 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 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 Deutsch 22 German Translation of Dewey Decimal Classification 22. Also known as DDC 22 ger. See 9
37 Bokgrupper Norwegian book trade product categories (Bokgrupper) administered by the Norwegian Publishers Association ( 28
38 Varegrupper Norwegian bookselling subject categories (Bokhandelens varegrupper) administered by the Norwegian Booksellers Association ( 28
39 Læreplaner Norwegian school curriculum version. Deprecated 28
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 Utdanningsprogram Codes for Norwegian ‘utdanningsprogram’ used in secondary education. See: (Formerly labelled ‘Skolefag’) 28
44 Programområde Codes for Norwegian ‘programområde’ used in secondary education. See (Formerly labelled ‘Videregående’ or ‘Programfag’) 28
45 Undervisningsmateriell Norwegian list of categories for books and other material used in education 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 Läromedelstyp Swedish bookselling educational subject type 28
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). CCE documentation available at 7
54 Qualificatore geografico CCE CCE Geographical qualifier 7
55 Qualificatore di lingua CCE CCE Language qualifier 7
56 Qualificatore di periodo storico CCE CCE Time Period qualifier 7
57 Qualificatore di livello scolastico CCE CCE Educational Purpose qualifier 7
58 Qualificatore di età di lettura CCE CCE Reading Level Qualifier 7
59 VdS Bildungsmedien Fächer Subject code list of the German association of educational media publishers. See 7
60 Fagkoder Norwegian primary and secondary school subject categories (fagkoder), see 28
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 de l’Université Laval) (French) 34
64 YSA Yleinen suomalainen asiasanasto: Finnish General Thesaurus. See (in Finnish) 8
65 Allärs Allmän tesaurus på svenska: Swedish translation of the Finnish General Thesaurus. See (in Finnish) 8
66 YKL Yleisten kirjastojen luokitusjärjestelmä: Finnish Public Libraries Classification System. See (in Finnish) 8
67 MUSA Musiikin asiasanasto: Finnish Music Thesaurus. See (in Finnish) 8
68 CILLA Specialtesaurus för musik: Swedish translation of the Finnish Music Thesaurus. See (in Finnish) 8
69 Kaunokki Fiktiivisen aineiston asiasanasto: Finnish thesaurus for fiction. See (in Finnish) 8
70 Bella Specialtesaurus för fiktivt material: Swedish translation of the Finnish thesaurus for fiction. See (in Finnish) 8
71 YSO Yleinen suomalainen ontologia: Finnish General Upper Ontology. See (In Finnish) 8
72 Paikkatieto ontologia Finnish Place Ontology. See (in Finnish) 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, see 9
76 CSR Code Sujet Rayon: subject categories used by bookstores in France 11
77 Suomalainen oppiaineluokitus Finnish school subject categories 11
78 Japanese book trade C-Code See (in Japanese) 12
79 Japanese book trade Genre Code 12
80 Fiktiivisen aineiston lisäluokitus Finnish fiction genre classification. See (in Finnish) 13
81 Arabic Subject heading scheme 13
82 Arabized BIC subject category Arabized version of BIC subject category scheme developed by 13
83 Arabized LC subject headings Arabized version of Library of Congress scheme 13
84 Bibliotheca Alexandrina Subject Headings Classification scheme used by Library of Alexandria 13
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’ 14
86 GeoNames ID ID number for geographical place, as defined at (eg 2825297 is Stuttgart, Germany, see 14
87 NewBooks Subject Classification Used for classification of academic and specialist publication in German-speaking countries. See (German) and (English) 14
88 Chinese Library Classification Subject classification maintained by the Editorial Board of Chinese Library Classification. See for access to details of the scheme 15
89 NTCPDSAC Classification Subject classification for Books, Audiovisual products and E-publications formulated by China National Technical Committee 505 15
90 Season and Event Indicator German code scheme indicating association with seasons, holidays, events (eg Autumn, Back to School, Easter) 18
91 GND Gemeinsame Normdatei – Joint Authority File in the German-speaking countries. See (English). Combines the PND, SWD and GKD into a single authority file, and should be used in preference to the older codes 18
92 BIC UKSLC UK Standard Library Categories, the successor to BIC’s E4L classification scheme 19
93 Thema subject category 20
94 Thema geographical qualifier 20
95 Thema language qualifier 20
96 Thema time period qualifier 20
97 Thema educational purpose qualifier 20
98 Thema interest age / special interest qualifier 21
99 Thema style qualifier 21
A2 Ämnesord Swedish subject categories maintained by Bokrondellen 22
A3 Statystyka Książek Papierowych, Mówionych I Elektronicznych Polish Statistical Book and E-book Classification 23
A4 CCSS Common Core State Standards curriculum alignment, for links to US educational standards. <SubjectCode> uses the full dot notation. See 26
A5 Rameau French library subject headings 34
A6 Nomenclature discipline scolaire French educational subject classification scolomfr-voc-015, used for example on See 29
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 26
A8 LC Children’s Subject Headings Library of Congress Children’s Subject Headings: LCSHAC supplementary headings for Children’s books 28
A9 Ny Läromedel Swedish bookselling educational subject 28
B0 EuroVoc EuroVoc multilingual thesaurus. <SubjectCode> should be a EuroVoc concept dc:identifier (for example, 2777, ‘refrigerated products’). See 29
B1 BISG Educational Taxonomy Controlled vocabulary for educational objectives. See 29
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) 34
B3 Nomenclature Diplôme French higher and vocational educational subject classification scolomfr-voc-29 subject category for degree and diploma study. See 34
B4 Key character names For fiction only, 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 it is recommended they should be separated by semi-colons 35
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