Library of Congress >> MARC >> Authority >> National Level Requirements >> 6XX Fields

MARC 21 Format for Authority Data

National Level Requirements

6XX: Complex See Also References; Complex See References; Series Treatment; Notes


1999 Edition
Update No. 1 (October 2001) through Update No. 8 (October 2007)


640 SERIES DATES OF PUBLICATION AND/OR SEQUENTIAL           A
     DESIGNATION	
   $a  Dates of publication and/or sequential               M
       designation	    
   $z  Source of information	                            A
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

641 SERIES NUMBERING PECULIARITIES                          O
   $a  Numbering peculiarities note                         M
   $z  Source of information	                            A
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

642 SERIES NUMBERING EXAMPLE	                            A
   $a  Series numbering example	                            M
   $d  Volumes/dates to which series numbering    (current) O
         example applies                          (earlier) M
   $5  Institution/copy to which field applies	            M
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

643 SERIES PLACE AND PUBLISHER/ISSUING BODY                 O
   $a  Place	                                            M
   $b  Publisher/issuing body	                            M
   $d  Volumes/dates to which place and           (current) O
        publisher/issuing body apply              (earlier) M
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

644 SERIES ANALYSIS PRACTICE	                            O
   $a  Series analysis practice	                            M
   $b  Exceptions to analysis practice	                    A
   $d  Volumes/dates to which analysis practice   (current) O                               
        applies                                   (earlier) M
   $5  Institution/copy to which field applies	            M
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

645 SERIES TRACING PRACTICE                                 O
   $a  Series tracing practice	                            M
   $d  Volumes/dates to which tracing practice    (current) O
        applies                                   (earlier) M
   $5  Institution/copy to which field applies	            M
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

646 SERIES CLASSIFICATION PRACTICE                          O
   $a  Series classification practice	                    M
   $d  Volumes/dates to which classification      (current) O
        practice applies                          (earlier) M
   $5  Institution/copy to which field applies	            M
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

663 COMPLEX SEE ALSO REFERENCE-NAME                         O
   $a  Explanatory text	                                    M
   $b  Heading referred to                                  M
   $t  Title referred to                                    A
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

664 COMPLEX SEE REFERENCE-NAME	                            O
   $a  Explanatory text	                                    M
   $b  Heading referred to                                  M
   $t  Title referred to                                    A
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

665 HISTORY REFERENCE	                                    O
   $a  History reference                                    M
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

666 GENERAL EXPLANATORY REFERENCE-NAME	                    O
   $a  General explanatory reference	                    M
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

667 NONPUBLIC GENERAL NOTE                                  O
   $a  Nonpublic general note	                            M
   $5  Institution to which field applies                   A
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

670 SOURCE DATA FOUND	                                    A
   $a  Source citation	                                    M
   $b  Information found                                    A
   $u  Uniform Resource Identifier                          O
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

675 SOURCE DATA NOT FOUND                                   O
   $a  Source citation	                                    M
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

678 BIOGRAPHICAL OR HISTORICAL DATA                         O
   $a  Biographical or historical data	                    M
   $b  Expansion                                            O
   $u  Uniform Resource Identifier                          O
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

680 PUBLIC GENERAL NOTE	                                    O
   $a  Heading or subdivision term                          A
   $i  Explanatory text	                                    M
   $5  Institution to which field applies                   A
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

681 SUBJECT EXAMPLE TRACING NOTE                            O
   $a  Subject heading or subdivision term                  M
   $i  Explanatory text	                                    M
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

682 DELETED HEADING INFORMATION	                            O
   $a  Replacement heading                                  A
   $i  Explanatory text	                                    M
   $0  Replacement authority record control number          O 
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

688 APPLICATION HISTORY NOTE	                            O
   $a  Application history note	                            M
   $5  Institution to which field applies                   A
   $6  Linkage	                                            A
   $8  Field link and sequence number	                    O

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