MARC 21 Data Elements in LC Bibliographic and Authority Records

This list identifies data elements from Update no. 5 (October 2004) to the MARC 21 Formats for Bibliographic and Authority data that will become valid in LC’s system no earlier than November 15, 2005 (unless otherwise specified below).

1. NEW BIBLIOGRAPHIC RECORD ELEMENTS

This list is provided to assist in evaluating the impact on automated systems as these elements could be present in records issued by the Library of Congress; they do not necessarily reflect values that will be actively supplied by LC cataloging staff. These elements are fully documented in the MARC 21 Format for Bibliographic data (http://www.loc.gov/marc/bibliographic).

017 - Copyright or Legal Deposit Number

            define second indicator (Display constant controller) with values:

            [blank] - Copyright or legal deposit number

            8 - No display constant generated

            new subfield:  $d Date

            new subfield:  $i Display text

031 - Musical Incipits Information : new field

258 - Philatelic Issue Date : new field

260 - Publication, Distribution, etc. (Imprint)

            subfield now repeatable: $e Place of manufacture

            subfield now repeatable: $f Manufacturer

            subfield now repeatable: $g Date of manufacture

541 - Immediate Source of Acquisition Note

            define first indicator (Privacy) with values:

            [blank] - No information provided

            0 - Private

            1 - Not private

561 - Ownership and Custodial History

            define first indicator (Privacy) with values:

            [blank] - No information provided

            0 - Private

            1 - Not private

583 - Action Note

            define first indicator (Privacy) with values:

            [blank] - No information provided

            0 - Private

            1 - Not private

2. NEW AUTHORITY RECORD ELEMENTS (also see section 4 below)

024 - Other Standard Identifier : new field (from Update no. 4)

031 - Musical Incipits Information : new field

670 - Source data found

            new subfield: $u (Uniform Resource Identifier) (from Update no. 3)

3. BIBLIOGRAPHIC ELEMENTS FOR FUTURE IMPLEMENTATION

The following changes left over from Update No. 2 (October 2001) to the MARC 21 Format for Bibliographic Data will still not be implemented at the Library of Congress at this time. A future notice will be issued when implementation details have been set.

LEADER/07 (Bibliographic level)

            new code: i (Integrating resource)

260 - Publication, distribution, etc. (Imprint): change from non-repeatable to repeatable

            define first indicator (Sequence of publishing statements) with values:

            [blank] (Not applicable/No information provided/Earliest available publisher)

            2 (Intervening publisher)

            3 (Current/latest publisher)

4. AUTHORITY ELEMENTS FOR FUTURE IMPLEMENTATION

The following changes from Update No. 3 (October 2002) to the MARC 21 Format for Authority Data will not be implemented at the Library of Congress at this time. A future notice will be issued when implementation details have been set.

148 - Heading--Chronological term : new field

448 - See from tracing--Chronological term : new field

548 - See also from tracing --Chronological term : new field

748 - Established heading linking entry--Chronological term : new field

October 12, 2005