Definition |
OCLC uses field 029 for system control numbers for records from non-OCLC automated systems (e.g., Library and Archives Canada, the British Library, WorldCat Cataloging Partners vendors, etc.). OCLC uses these numbers to process and track records from other systems. |
Examples |
| 029 |
1 |
|
OCL ǂc /p15000coll1 ǂt CNTNT |
| 029 |
1 |
|
CNTNT ǂb /p103401ccp2_mzb |
| 029 |
1 |
|
AU@ ǂb 000025198108 |
|
1st Indicator |
The type of system control number. Whether the other system control number is primary or secondary. |
| |
|
| |
| 1 |
Secondary control number |
|
2nd Indicator |
Undefined. The 2nd indicator position is undefined and contains a blank.
 |
Undefined |
|
Subfields |
|
| ǂa OCLC library identifier |
The library from which the non-OCLC system number is generated. |
| ǂb System control number |
The entire number. |
| ǂc OAI set name |
Contains the collection alias for CONTENTdm-based items. Contains the OAI set name for other digital items. |
| ǂt Content type identifier |
Identifies the type of CONTENTdm collection or item or other type of digital collection or item. The following codes are used.
| CNTCOLL |
CONTENTdm collections |
| CNTNT |
CONTENTdm items |
| DGCNT |
All other digital items |
| DGCOLL |
All other digital collections |
|
MARC 21 |
Field 029 is OCLC-defined and therefore not included in MARC 21 Format for Bibliographic Data. |
This page last revised: August 27, 2020
