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Hi Janis,

Under what circumstances are we to use the coding 655 \0? For example, if one wanted to use the LCSH "Rock music" as a genre/form heading, would this be coded:

1. 655 \0 $a Rock music.�
2. 655 \7 $a Rock music. $2 lcsh
3. 655 \7 $a Rock music. $2 lcgft
4. 655 \7 $a Rock music. $2 local

I would not expect to find that heading coded as it is in #1--that coding having been traditionally reserved for established genre/form terms--but I get the impression from your message below that this is how such headings should be coded going forward. In a nutshell: under the new policy, is 655 \0 ever a valid coding?

I am not a music cataloger, so forgive me if this a poor example.�

John

On Thu, May 5, 2011 at 3:56 PM, Young, Janis <[log in to unmask]> wrote:

[This message has been widely cross-posted.� Please excuse any duplication.]

Since 2007 the Library of Congress� Policy and Standards Division (PSD) has been developing genre/form terms, and in June 2010 determined that the new thesaurus, Library of Congress Genre/Form Terms for Library and Archival Materials (LCGFT), should be formally separated from Library of Congress Subject Headings (LCSH).� In order to accomplish this, on May 24, 2011 the existing genre/form authority records will be deleted and reissued with new coding.�

The current coding for the genre/form authority records indicates that the terms are from LCSH, not LCGFT.� The LCCNs are prefixed by �sh� and 008/11 is set to �a,� Library of Congress Subject Headings.� Therefore, the LCCNs and MARC coding both need to be revised.� This will require the deleting and reissuing of the genre/form authority records.�

The approximately 800 existing authority records will be deleted and immediately reissued.� About 1600 records (deletes plus reissues) will be sent to subscribers as part of the May 24, 2011, Volume 26, Issue 21, distribution of subject authorities via the MARC Distribution Service (MDS).

Authority records for LCGFT terms will be coded as follows.

LCCN prefix:� gf�������

008/11: z (�Other�)
040$f: lcgft

Example:

����������� 008/11������������ z

����������� 010����������������� $a gf2011987654 $z sh2009025020

����������� 040����������������� $a DLC $b eng $c DLC $f lcgft

����������� 155����������������� $a Topographic maps

����������� 455����������������� $a Hypsographic maps

����������� 455����������������� $a Hypsometric maps

����������� 455����������������� $a Relief maps

����������� 455����������������� $a Topographical maps

����������� 555 ���������������� $w a $a Maps�

����������� [Note that the deprecated LCCN is being retained in field 010$z, to facilitate automatic updates.]

As of May 24, 2011, new coding should be used when assigning LCGFT terms in bibliographic records.� That coding is as follows.

655 #7 $a [Term]. $2 lcgft

Example:

����������� Title:� Survivor: Thailand.

����������� 655 #7 $a Survival television programs. $2 lcgft

������������������������������� 655 #7 $a Nonfiction television programs. $2 lcgft

The genre/form FAQ http://www.loc.gov/catdir/cpso/genre_form_faq.pdf and the Subject Headings Manual (SHM) will both be updated to reflect this change in policy.

For further information and the rationale for these revisions, please see the January 3, 2011 announcement, �Library of Congress to Reissue Genre/Form Authority Records.�� http://www.loc.gov/catdir/cpso/gf_lccn.html

Questions or comments on these plans or on the genre/form projects in general may be addressed to Janis L. Young [log in to unmask], LC�s genre/form coordinator.

Janis L. Young

Policy and Standards Division
Library of Congress




--�
John M. Ilardo
Central Technical Services
University at Buffalo
134 Lockwood Library
Buffalo, NY 14260-2210
E-mail:�[log in to unmask]
Phone: (716) 645-8591