010 Library of Congress Control Number (NR) (Variable Data Field)
Field 010 contains the control number, assigned by the Library of Congress, of the related bibliographic record for which a separate holdings record is made. The control number for bibliographic records distributed by the Library of Congress is an LCCN.
In separate holdings records distributed by the Library of Congress, the control number for the related LC bibliographic record is carried in field 004 (Control Number for Related Bibliographic Record). An organization receiving an LC holdings record may transfer the control number for the related bibliographic record from field 004 to field 010 and place its own related bibliographic record control number in field 004.
See also field 014 (Linkage Number), field 016 (National Bibliographic Agency Control Number), and field 035 (System Control Number) for control numbers for related bibliographic records assigned by other sources. See field 010 (Library of Congress Control Number) in the MARC 21 Format for Bibliographic Data for a detailed description of the structure of the LCCN for bibliographic records.
Field 010 is an agency-assigned field; it is used only for an LC bibliographic record control number.
Field 010 is NOT repeatable.
Guidelines for applying content designators:
For indicator and subfield code definitions and examples, and designator repeatability, see table below:
Position |
Description |
Repeatability |
Field 010 |
Library of Congress Control Number |
NR |
Indicator: |
|
|
First |
Undefined; contains a blank |
|
Second |
Undefined; contains a blank |
|
|
|
|
Subfield code: |
|
|
$a |
NR |
|
$b |
R |
|
$z |
R |
|
$8 |
R |
Related MARC fields or documents:
004 Control Number for Related Bibliographic Record
016 National Bibliographic Agency Control Number
MARC 21 Format for Bibliographic Data:
010 Library of Congress Control Number
See also: