Bug 34482 - Improve MARC21 7xx linking fields in bibliographic records [Omnibus]
Summary: Improve MARC21 7xx linking fields in bibliographic records [Omnibus]
Status: NEW
Alias: None
Product: Koha
Classification: Unclassified
Component: MARC Bibliographic data support (show other bugs)
Version: Main
Hardware: All All
: P5 - low enhancement
Assignee: Bugs List
QA Contact: Testopia
URL:
Keywords:
Depends on: 6011 7414 14341 21302
Blocks:
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Reported: 2023-08-04 20:12 UTC by Katrin Fischer
Modified: 2023-10-02 22:17 UTC (History)
5 users (show)

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Patch complexity: ---
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Description Katrin Fischer 2023-08-04 20:12:01 UTC

    
Comment 1 Heather 2023-08-04 20:41:01 UTC
Hi!

It makes me SO happy to see this!!  This is the relevant documentation for the MARC21
Comment 2 Heather 2023-08-04 20:46:57 UTC
...the MARC21 76X-78X Linking Entry Fields:
https://www.loc.gov/marc/bibliographic/bd760787.html

(I was so excited I mistyped and my previous comment got saved before I finished!)

ByWater has created custom XSLT so that the field linking of these fields works via enabling linking on the control numbers in the $w of these fields:  https://keys.bywatersolutions.com/
They are willing to share this XSLT so this linking can get into the community version, if that would help.

In our catalog, selecting the hyperlinked control number in the $w of the 76X-78X Linking Entry Field executes a search on the 001 of the target record.  It is not a simple search, since we, like many, many libraries, use OCLC, so our 001 fields contain OCLC numbers with prefixes--but it works!

So happy to see this omnibus!!!
--h2
Comment 3 Katrin Fischer 2023-08-04 20:54:36 UTC
Hi Heather,

I had planned to add you when I have a more complete picture of open bugs concerning 7xx fields :) 

I think any specifics for OCLC + $w should go on a separate bug linked to this one. 

We might want to tie it to a new preference or similar. As I have never used OCLC, I am not aware of what needs to be done exactly, but we need to be careful not to break things for other use cases (I think union catalogs in Finland, Sweden and Germany at least are using $w these days :) )
Comment 4 Heather 2023-08-04 21:03:27 UTC
Hi, Katrin!

Specifics of linking (e.g., $w vs. $a/$t, and/or with different types of $w numbers) in a separate bug, perhaps (hopefully!) tied to a syspref makes so much sense.

Thank you!!!
h2
Comment 5 Heather 2023-09-26 16:16:51 UTC
Hi!  I created a ticket with ByWater, requesting that they post the code from our catalog (keys.bywatersolutions.com) that makes our 7XX linking entry fields work.

--h2
Comment 6 Laura Escamilla 2023-09-28 15:48:17 UTC
Hi Katrin, 

The code that Heather has requested is available here! https://github.com/bywatersolutions/bywater-koha-xslt/commits/keys

Please let me know if I can help out further.