Appendix B. Fields Not Distributed by the MARC Distribution Service

The following list includes fields that are used in CONSER records and retained in the master record on OCLC but are not distributed by the MARC Distribution Service.

Field	Name
012	CONSER Fixed Length Field
016	National Bibliographic Agency Control Number
019	OCLC Control Number Cross-Reference
890	LC Visible File Entry
901	Numbered Copy Information
936	CONSER Variable Length Field
900	Personal Name Equivalence or Cross-Reference [LAC defined]
920	Corporate Name Equivalence or Cross-Reference [LAC defined]
921	Conference or Meeting Name Equivalence or Cross-Reference [LAC defined]
930	Uniform Title Equivalence or Cross-Reference [LAC defined]
940	Uniform Title Entry Equivalence or Cross-Reference [LAC defined]
980	Series (Personal Name) Equivalence or Cross-Reference [LAC defined]
981	Series (Corporate Name) Equivalence or Cross-Reference [LAC defined]
982	Series (Conference or Meeting Name) Equivalence or Cross-Reference [LAC defined]
983	Series (Title) Equivalence or Cross-Reference [LAC defined]

OCLC defined

The following fields are defined by OCLC for local use. They are not retained in the master record on OCLC not distributed by the MARC Distribution Service.

Field	Name
029	Other System Control Number
039	Core Record Designator [output as Leader/17 "4"]
049	Local Holdings
090-099	Locally-Assigned Call Numbers
590	Local Note
599	Differentiable Local Note
690-691	Local Subject Added Entries
699	Added Class Number
910	User Option Data