Library of Congress

Cataloging Distribution Service

The Library of Congress > Cataloging Distribution Service > MARC Distribution Services > MDS Technical Notices

« Back to MDS Technical Notices

MDS Technical Notice

May 22, 2001

These lists identify data elements from recent updates to the MARC 21 bibliographic and authority formats that will become valid in LC’s system no earlier than August 15, 2001. The lists are provided to assist in evaluating the impact on automated systems as these elements could be present in records distributed by the Library of Congress; they do not necessarily reflect values that will be actively supplied by LC cataloging staff. Bibliographic Record Elements.

505 - Formatted Contents Note; new subfield:
$u Uniform Resource Identifier
514 - Data Quality Note; new subfields:
$u Uniform Resource Identifier
$z Display note
520 - Summary, Etc.; new subfield:
$u Uniform Resource Identifier
522 - Geographic Coverage Note; repeatability change (R)
 
530 - Additional Physical Form Available Note; new subfield:
$u Uniform Resource Identifier
545 - Biographical or Historical Data; new subfield:
$u Uniform Resource Identifier
552 - Entity and Attribute Information Note; new subfields:
$u Uniform Resource Identifier
$z Display note
555 - Cumulative Index/Finding Aids Note; new subfield:
$u Uniform Resource Identifier
583 - Action Note; new subfields:
$u Uniform Resource Identifier
$2 Source of term
853-855 - Captions and Pattern; new subfield:
$z Numbering scheme
856 - Electronic Location and Access; new subfield:
$y Link text

Authority Record Elements

043 - Geographic Area Code; new subfields:
$b Local GAC code
$2 Source of local code
678 - Biographical or Historical Data; new subfield:
$u Uniform Resource Identifier
700, 710, 730, 750, 780, 781, 782, 785, 788 - Heading Linking Entries repeatability change:
$5 Institution to which field applies (R)
856 - Electronic Location and Access; (new field)

Bibliographic Elements for Future Implementation

The following list identifies data elements from recent updates to the MARC 21 bibliographic format that will not become valid in LC’s system until LC implements an upgrade to its existing system (February, 2002 at the earliest).

MAP 006/12, 008/29 (Form of item)
(new position)
VM 006/12, 008/29 (Form of item)
(new position)
Tactile Material 007
(all elements)
Kit 007
(all elements)
Notated Music 007
(all elements)
Computer File 007/06-13
(all elements)

May 22, 2001