OCLC-MARC records
OCLC-MARC records describes records produced since November 1993. It also lists documentation that describes records produced before November 1993.
Get started
No image available
Get started with OCLC-MARC records.
About OCLC-MARC records
Record structure
No image available
Find the basic structure for the leader, the directory, and the control and variable fields in OCLC-MARC bibliographic and authority records.
About record structure
General structure
Leader
Directory
Control and variable fields
Content designators for bibliographic data
No image available
Find the elements of the leader, the directory, and the control and variable fields in OCLC-MARC bibliographic records.
Bibliographic record directory
Bibliographic record variable fields
Bibliographic record control field
Bibliographic record leader
Content designators for authority data
No image available
Find the elements of the leader, the directory, and the control and variable fields in OCLC-MARC authority records.
Authority record variable fields
Authority control field
Authority record directory
Authority record leader
Control subfield ‡w
Content designators for holdings data
No image available
Find information about content designators for holdings fields.
Reference
No image available
Find additional resources for OCLC-MARC records.
Export specifications
Summary of processing changes
No image available
Learn about the history of the 049 field, the communication format, and the OCLC number.
History of field 049
History of the communication format
History of the OCLC number