[DCRM-L] subfields $3 and $5 to specify copies in MARC bib records

Thu Jan 14 08:16:58 MST 2016

I see the sense in that suggestion, too. Using a record control number would be the most explicit means possible to refer to a Holding entity (a copy). My concern with using $w is that this subfield may also serve as control number for the heading (e.g. the name or genre).

I suppose I imagined a subfield that isn’t too prescriptive about the form of identifier used. It could be the control number for the Holding, or it could be the full call number (and there are other possibilities), e.g.:

700 1_ ‡a Lindley, John, ‡d 1799-1865, ‡e former owner. ‡5 CtY-BA ‡9 BACRB G240 .H35 1589+

Mind you, I’m not entirely sure that such an addition/modification to our MARC vocabulary is necessary or will make our next transition easier, but I think it merits consideration.

Francis

From: dcrm-l-bounces at lib.byu.edu [mailto:dcrm-l-bounces at lib.byu.edu] On Behalf Of Deborah J. Leslie
Sent: Wednesday, January 13, 2016 11:56 AM
To: DCRM Users' Group <dcrm-l at lib.byu.edu>
Subject: Re: [DCRM-L] subfields $3 and $5 to specify copies in MARC bib records

What about dropping the "Bibliographic" from ‡w Bibliographic record control number, and authorize for a larger number of fields?

https://www.loc.gov/marc/bibliographic/ecbdcntf.html<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.loc.gov_marc_bibliographic_ecbdcntf.html&d=AwMF-Q&c=-dg2m7zWuuDZ0MUcV7Sdqw&r=t7GDkvcZa922K6iya7a6MxgVxxw7OjL0m1rPBXkflk4&m=6NsVdZEESTdegHN3eSmGrE_-3euko22dM4BsGgzY_UU&s=NN0KxyBFRDOHiYBQOHCUdXnjWUhJ9KYOtcMK8lNUFpU&e=>

Deborah J. Leslie | Folger Shakespeare Library | djleslie at folger.edu<mailto:djleslie at folger.edu> | 202.675-0369 | 201 East Capitol St., SE, Washington, DC 20003 | www. folger.edu

From: dcrm-l-bounces at lib.byu.edu<mailto:dcrm-l-bounces at lib.byu.edu> [mailto:dcrm-l-bounces at lib.byu.edu] On Behalf Of Lapka, Francis
Sent: Wednesday, 13 January 2016 10:04
To: dcrm-l at lib.byu.edu<mailto:dcrm-l at lib.byu.edu>
Subject: [DCRM-L] subfields $3 and $5 to specify copies in MARC bib records

As we prepare for life After-MARC, I think it would be handy to have a clear means to associate copy-specific data in a bib record with the copy to which it applies, for example for data in fields 655 and 7xx. I’m concerned that MARC doesn’t currently provide an adequate means.

MARC gives us subfield $5 to record the institution to which a field applies. But as defined, this field cannot specify a copy. See: http://www.loc.gov/marc/holdings/echdcntf.html<https://urldefense.proofpoint.com/v2/url?u=http-3A__www.loc.gov_marc_holdings_echdcntf.html&d=AwMF-Q&c=-dg2m7zWuuDZ0MUcV7Sdqw&r=t7GDkvcZa922K6iya7a6MxgVxxw7OjL0m1rPBXkflk4&m=6NsVdZEESTdegHN3eSmGrE_-3euko22dM4BsGgzY_UU&s=7vI2pE8-BPpdWx_jtgd8KjAJJFJGHG5H5vHWQTPZa9o&e=>

MARC gives us subfield $3 to record “the part of the described materials to which the field applies.” I have seen subfield $3 used to specify an individual copy – where there is more than one copy described in a bib record – but this seems an imperfect match to the scope of subfield $3. The flawed suitability of subfield $3 is made most clear in the wording used to define its scope within the 563 field, for bindings: “Portion of the binding that is described in the field.”

This leaves me with little faith that subfield $3 can serve as a machine actionable means to match copy-specific data in a bib record with its related copy entity – for now, a Holdings record; someday, an Item entity – when subfield $3 may also be used to denote the portion of a manifestation to which data applies. I have doubts that it can effectively serve both functions.

Should we explore a new subfield? Are there any left? Or modify $5 to include institution and copy identifier?

Francis

Francis Lapka  ·  Catalog Librarian
Department of Rare Books and Manuscripts
Yale Center for British Art
203.432.9672  ·  francis.lapka at yale.edu<mailto:francis.lapka at yale.edu>

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