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Rebecca. Using iso-639-1, iso-639-2/B or iso-639-3 is insufficient. BCP47 includes subtag for language, script, region and variant as well as a series of extension mechanisms such as -t- sequences. BCP47 also addresses duplication between iso-639-1, iso-639-2/T and iso-639-3. On Saturday, 16 December 2017, Rebecca Guenther <[log in to unmask]> wrote: > The need to be able to use ISO 639-1 and 639-3 language codes was > recognized by the MARC community some time ago (actually in 2001), and > there is a mechanism to record them in field 041, e.g. > > *041 07 $a *en *$a *fr *$2* iso639-1 > > I’m not sure how widely implemented it is. Subfield $2 contains the source > of the code and the sources are in the list at http://www.loc.gov/ > standards/sourcelist/language.html. At the time, the RFCs were being used > (and as you can see from the list of source codes, they were revised a > lot). BCP 47 could be added to the source code list so that it could be > used in MARC records for now. > > Rebecca > > Rebecca Squire Guenther > 215 W. 75th St. Apt. 16H > <https://maps.google.com/?q=215+W.+75th+St.+Apt.+16H+New+York,+NY+10023&entry=gmail&source=g> > New York, NY 10023 > <https://maps.google.com/?q=215+W.+75th+St.+Apt.+16H+New+York,+NY+10023&entry=gmail&source=g> > 703-298-0157 > [log in to unmask] > http://www.meetyourdata.com > > On Dec 14, 2017, at 2:48 AM, Osma Suominen <[log in to unmask]> > wrote: > > > Most existing MARC data incorporates use of the language codes found in > ISO 693-2/B. While the codes in this standard are useful, it may be > necessary in implementation to accommodate the codes from ISO 639-1 > (2-letter codes) and ISO 639-3 as well. > > > Adhering to BCP 47 would already provide a mechanism for expressing ISO > 639-1 and 639-3 language codes, so I don't see why the implementation-level > consideration is not simply to use BCP 47 as was already stated under > General considerations. > > > -Osma > > > > > Robert J. Rendall kirjoitti 13.12.2017 klo 22:30: > > Colleagues - > The ALA/ALCTS Committee on Cataloging: Asian and African Materials > (CC:AAM) has voted to approve a Statement in Support of the > Internationalization of BIBFRAME, containing recommendations on character > encoding, the representation of original script and romanization, > normalization, and language tags: > http://connect.ala.org/node/271553 > Robert Rendall > Chair, CC:AAM 2017-2018 > http://www.ala.org/alcts/mgrps/camms/cmtes/ats-ccscataa > Robert Rendall > Principal Serials Cataloger > Original and Special Materials Cataloging, Columbia University Libraries > 102 Butler Library, 535 West 114th Street, New York, NY 10027 > <https://maps.google.com/?q=535+West+114th+Street,+New+York,+NY+10027&entry=gmail&source=g> > tel.: 212 851 2449 fax: 212 854 5167 > > > > -- > Osma Suominen > D.Sc. (Tech), Information Systems Specialist > National Library of Finland > P.O. Box 26 (Kaikukatu 4 > <https://maps.google.com/?q=Kaikukatu+4&entry=gmail&source=g>) > 00014 HELSINGIN YLIOPISTO > Tel. +358 50 3199529 > [log in to unmask] > http://www.nationallibrary.fi > > > -- Andrew Cunningham [log in to unmask]