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

[JOHN C ATTIG]

Note that subfield $9 is reserved for local definition. If you are proposing this as an addition to MARC, then you need to pick a different subfield. 

John Attig 
Penn State University 

| From: "Lapka, Francis" <francis.lapka at yale.edu>
| To: "DCRM Users' Group" <dcrm-l at lib.byu.edu>
| Sent: Thursday, January 14, 2016 10:16:58 AM
| Subject: Re: [DCRM-L] subfields $3 and $5 to specify copies in MARC bib records

| 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

| Deborah J. Leslie | Folger Shakespeare Library | 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 ] On Behalf
| Of Lapka, Francis
| Sent: Wednesday, 13 January 2016 10:04
| To: 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

| 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

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