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Appendix F - Format Changes


MARC 21 Authority
October 2009/February 2010

This section is provided for the lists of format changes that accompany each update to the MARC 21 Format for Authority Data.


MARC 21 FORMAT FOR AUTHORITY DATA

FORMAT CHANGE LIST

Update No. 10, October 2009 and Update No. 11, February 2010
This page documents the changes contained in the tenth and eleventh update to the 1999 edition of the MARC 21 Format for Authority Data. Update No. 10 (October 2009) and Update No. 11 (February 2010) include changes resulting from proposals that were considered by the MARC 21 community during 2009 and January 2010.

New content designators:
Codes
Code r - Relationship designation in $i or $4 in $w/0 (Special relationship) of Tracings and References fields 400-485, 500-585
Subfields
$4 Relationship code (R) in Tracings and References fields 400-485, 500-585
Fields
046Special Coded Dates (R)
080Universal Decimal Classification Number (R)
336Content Type (R)
370Associated Place (R)
371Address (R)
372Field of Activity (R)
373Affiliation (R)
374Occupation (R)
375Gender (R)
376Family Information (R)
377Associated Language (R)
Changes in content designator names:
Subfield codes
$i Reference instruction phrase Relationship information in Tracings and References fields 400-485, 500-585

New content designators:
Subfields
$k Beginning or single date created (NR) in 046 (Special Coded Dates)
$l Ending date created (NR) in 046 (Special Coded Dates)
$3 Materials specified (NR) in 034 (Coded Cartographic Mathematical Data)
Fields
380Form of Work (R)
381Other Distinguishing Characteristics of Work or Expression (R)
382Medium of Performance (R)
383Numeric Designation of Musical Work (R)
384Key (NR)
Changes in repeatability:
Subfields
$eDescription conventions in 040 (Cataloging Source): from NR to R

Library of Congress >> MARC >> Authority >> Appendix F
(03/05/2010)
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