https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=42694 Bug ID: 42694 Summary: Koha produces extra authorities for OCLC fast subject headings Initiative type: --- Sponsorship --- status: Product: Koha Version: 24.11 Hardware: All OS: All Status: NEW Severity: major Priority: P5 - low Component: Cataloging Assignee: koha-bugs@lists.koha-community.org Reporter: cgresser@jesuit.org.uk QA Contact: testopia@bugs.koha-community.org CC: m.de.rooy@rijksmuseum.nl This applies to anyone who imports Marc21 records in the English-speaking world, and who might have standard Library of Congress subject headings, as well as OCLC fast subject headings. After more extra, manual work, the result of what I'm talking about looks like this: 650 _ 0 ‡aMiracles.‡9133027 650 _ 7 ‡aMiracles.‡2fast‡0(OCoLC)fst01023535‡9200794 As this is fairly complicated to explain I have created a screencast (apologies for the low level of sound): https://youtu.be/4hZexR4vmjs What Koha did with the imported bibliographic record's lines 650 _ 0 ‡aMiracles. 650 _ 7 ‡aMiracles.‡2fast‡0(OCoLC)fst01023535 650 _ 0 ‡aMiracles. was initially not synched to the existing "Miracles" subject in local authorities and for 650 _ 7 ‡aMiracles.‡2fast‡0(OCoLC)fst01023535 Koha added an additional OCLC fast subject heading for "Miracles". This meant that there was a third entry for "Miracles" in our authorities. As you can see I could in the video, this can be fixed manually, but this should not be solution. Also, I don't think that one should tell Koha cataloguers in the English-speaking world who use Marc21 to not use the OCLC fast subject headings, which would probably solve the problem). For a while, I had suspected that Koha does this, as I have repeatedly fixed the same, duplicate authorities, in the last 6-8 months, since moving to Koha. This is really a serious inefficiency, and could put off any cataloguer from Koha. Maybe currently Koha does not really look at the indicators (second indicator 0 = Library of Congress, second indicator 7 = scheme specified in subfield 2). Maybe that would be a starting point for allowing several entries with the same basic string of of characters, whilst the actual entry is different...? I would be grateful if other Koha cataloguers in the Marc21 / English-speaking world would like into this, and if I'm missing a solution, please let me know. Many thanks for considering this, Clemens -- You are receiving this mail because: You are watching all bug changes. You are the assignee for the bug.