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979 ISBNs have been in limited use in the Canadian supply chain for several years – most distributors have a few dozen in their inventory. Currently ISBN Canada has not issued any and has no need plans to start, but the US . The US, however, is running out of 978 ISBN-13 and could begin issuing them 979s as soon as January 2020 . We can anticipate their increased volume in our supply chain over the next year or two and when one of the major US publishers gets their first block we can expect explosive growth.
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- 979 ISBNs are NOT compatible with ISBN-10. See why here but by definition all ISBN-10s converted to ISBN-13 must start with 978 so only 978 ISBNs can have an ISBN-10.
- Automated systems often include programming to ensure that all records carry alternative identifiers so matched sets of ISBN and GTIN-13 are created. If those processes supply both ISBN-13 and ISBN-10 they may not have allowed for the existence of 979. That can mean automation is creating a problem without your being aware of it – and even when you have checked you may find outlier cases your programmers didn't considerit.
- The ideal and simplest solution for data suppliers is to stop supplying ISBN-10 . They as they are no longer a relevant identifier in our supply chain. However, like any change, you should first notify your trading partners of your intent and there is a persistent belief among companies that others haven't changedother companies continue to need them.
- It's unlikely that US 979 ISBNs will become a major problem in the early in 2020. If there's a need there's still time for orderly change. It is really-really-really and thrice-truly-truly time for all companies in all sectors to stop using ISBN-10.
- Fun facts: 979-8 has been assigned exclusively to the US Agency and 979-0 is assigned to sheet music. There's no word on what 979 prefixes will be assigned to English Canada.
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Version 1.3.2 released April 2019 (updated national extensions)
Version 1.3.1 released Fall 2018 (updated national extensions, includes Canadian updates suggested by the French language group)
Version 1.3.0 released May 8, 2018 (Current subject lists)
Documentation available from EDItEUR
https://www.editeur.org/151/Thema/
- Executive briefing – a high-level overview of Thema (PDF)
- Basic Instructions for use of version 1.3 (PDF)
- Using Thema and ONIX together, questions and answers (PDF)
- Diversity and inclusivity briefing (PDF)
- Thema worked examples – illustrated use cases for Thema codes (PDF)
Documentation available from BookNet Canada
Thema Subject Codes
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BISAC TO THEMA Translator updated to support BISAC 2018 and Thema 1.3
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To find our more about the Translator here is a link to the introductory blog post: http://www.booknetcanada.ca/blog/2014/4/24/introducing-bncs-bisac-to-thema-translator.html#.U8WO8PldXMQ
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2018 BISAC Subject Codes
November 2018
The 2017 BISAC Subject list is available from BISG (free to their members):
http://bisg.org/page/PurchaseBISAC
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Thema Version 1.3.0 Released
May 8, 2018
EDItEUR has published Thema version 1.3 – the third significant revision of the Thema subject classification scheme. The complete English language version is available to download from the EDItEUR website:
http://www.editeur.org/151/thema
an Excel spreadsheet, readable PDF and HTML and as an XML or JSON file, ready for import into data management systems.
The online multilingual Thema browser at https://ns.editeur.org/thema/ has been updated to version 1.3. The old version 1.2 browser is still available at https://ns.editeur.org/thema12/. Please note that not all of the other languages updates have been completed but EDItEUR will keep it's website updated. EDItEUR provided the following summary of significant changes:
A summary of changes: ThemaV1.3_Additions_changes.pdf. Thema remains fully backward compatible and there are no significant deviations from Versions 1.0 and 1.2
In addition to a massive number of new National Qualifers released after Version 1.2 was complete, Version 1.3 includes 261 new core subject codes and 153 new qualifiers. A lot of the changes that have been made are about adding clarity to the meaning of existing codes. The attached PDF document has a complete list of all the new codes and the changes.
- Fiction (F*) has a lot of new codes and changes to existing codes to provide more granularity and choice.
- Clarification to the top-level heading for T* to indicate it applies to industrial processes and that T* codes can be used for titles dealing with the associated skills, trades and professions.
- Children’s, Teenage & Educational has had a lot of new codes and revisions, particularly in the YN* and YX* sections to allow for more detail in general interest / non-fiction as well as increasing the options for giving greater clarity to the YF* codes (Fiction) which can be combined with general interest codes.
- The addition of the new core place qualifiers that are not national extensions.
- The addition of dates to the time period qualifiers that were missing these.
- The addition of new educational purpose qualifiers to give more choice to distinguish titles for exams, tests
- A new group of interest qualifiers 5L* - relating to stages of life, to allow for clarification of subject matter (not audience) for different types of fiction and non-fiction titles dealing with different age groups.
- Clarification of the use of codes for reluctant readers (5AR) and Emergent readers (5AX) plus a new qualifier code for titles intended for people with learning or communication difficulties (5AZ).
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Revised Best Practices for Keywords in Metadata: Guide for North American Data Senders and Receivers
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