700 Established Heading Linking Entry - Personal Name (Authority)
710 Established Heading Linking Entry - Corporate Name (Authority)
711 Established Heading Linking Entry - Meeting Name (Authority)
730 Established Heading Linking Entry - Uniform Title (Authority)
748 Established Heading Linking Entry - Chronological Term (Authority)
750 Established Heading Linking Entry - Topical Term (Authority)
751 Established Heading Linking Entry - Geographic Name (Authority)
755 Established Heading Linking Entry - Genre/Form Term (Authority)
780 Subdivision Linking Entry - General Subdivision (Authority)
781 Subdivision Linking Entry - Geographic Subdivision (Authority)
782 Subdivision Linking Entry - Chronological Subdivision (Authority)
785 Subdivision Linking Entry - Form Subdivision (Authority)
788 Complex Linking Entry Data (Authority)
7XX Heading Linking Entries (Authority)
7XX Heading Linking Entries - General Information (Authority)
762 Established Heading Linking Entry - Medium of Performance Term
880 Alternate Graphic Representation (Authority)
8XX Location and Alternate Graphics (Authority)
008/14 Heading use - main or added entry (Authority)
008/15 Heading use - subject added entry (Authority)
008/16 Heading use - series added entry (Authority)
Heading Usage in Authority Records
003 Control Number Identifier (Authority)
040 Cataloging Source (Authority)
Definition: Agency
Definition: Agency-assigned data element
Definition: Responsible Parties Rule
447 See From Tracing - Named Event
147 Heading - Named Event
X47 Named Events - General Information
547 See Also From Tracing - Named Event
747 Established Heading Linking Entry - Named Event
880 Alternate Graphic Representation (Authority)
8XX Location and Alternate Graphics (Authority)
Appendix A: $6 - Linkage
Appendix F: Format Changes, Update No. 6, October 2005
Appendix F: Format Change Lists
Appendix F: Format Changes - 1999
Appendix F: Format Changes, Update No. 1, October 2000
Appendix F: Format Changes, Update No. 2, October 2001
Appendix F: Format Changes, Update No. 3, October 2002
Appendix F: Format Changes, Update No. 4, October 2003
Appendix F: Format Changes, Update No. 5, October 2004
Appendix F: Format Changes, Update No. 7, October 2006
Appendix F: Format Changes, Update No. 10, October 2009
Appendix F: Format Changes, Update No. 11, February 2010
Appendix F: Format Changes, Update No. 12, October 2010
Appendix F: Format Changes, Update No. 9, October 2008
Appendix F: Format Changes, Update No. 8, October 2007
Appendix F: Format Changes, Update No. 13, September 2011
Appendix F: Format Changes, Update No. 14, April 2012
Appendix F: Format Changes, Update No. 15, September 2012
Appendix F: Format Changes, Update No. 16, April 2013
Appendix F: Format Changes, Update No. 17, September 2013
Appendix F: Format Changes, Update No. 18, April 2014
Appendix F: Format Changes, Update No. 19, October 2014
Appendix F: Format Changes, Update No. 20, April 2015
Appendix F: Format Changes, Update No. 21, September 2015
Appendix F: Format Changes, Update No. 22, April 2016
Appendix F: Format Changes, Update No. 23, November 2016
Appendix F: Format Changes, Update No. 24, May 2017
Appendix F: Format Changes, Update No. 25, December 2017
Appendix F: Format Changes, Update No. 26, April 2018
Appendix F: Format Changes, Update No. 27, November 2018
Appendix F: Format Changes, Update No. 28, May 2019
Appendix F: Format Changes, Update No. 28 Addendum Changes, July 2019
Appendix F: Format Changes, Update No. 29, November 2019
Appendix F: Format Changes, Update No. 30, May 2020
Appendix F: Format Changes, Update No. 31, December 2020
Appendix F: Format Changes, Update No. 32, June 2021
Appendix F: Format Changes, Update No. 33, November 2021
Appendix A: $0 - Record control number
Appendix A: $5 - Institution to which field applies
Appendix A: $6 - Linkage
Appendix A: $8 - Field link and sequence number
Appendix A: $1 - Real World Object URI
008/14 Heading use - main or added entry (Authority)
008/15 Heading use - subject added entry (Authority)
008/16 Heading use - series added entry (Authority)
Definition: Controlled-list data element
Definition: Responsible Parties Rule
Leader/06 Type of record (Authority)
Leader/18 Punctuation policy
008/10 Descriptive cataloging rules (Authority)
008/11 Subject heading system/thesaurus (Authority)
Heading Usage in Authority Structures
014 Link to Bibliographic Record for Serial or Multipart Item (Authority)
642 Series Numbering Example (Authority)
672 Title Related to the Entity
673 Title Not Related to the Entity
050 Library of Congress Call Number (Authority)
055 Library and Archives Canada Call Number (Authority)
060 National Library of Medicine Call Number (Authority)
070 National Agricultural Library Call Number (Authority)
082 Dewey Decimal Call Number (Authority)
086 Government Document Call Number (Authority)
09X Local Call Numbers (Authority)
0XX Numbers and Codes (Authority)
086 Government Document Call Number (Authority)
087 Government Document Classification Number (Authority)
010 Library of Congress Control Number (Authority)
020 International Standard Book Number (Authority)
022 International Standard Serial Number (Authority)
035 System Control Number (Authority)
008/39 Cataloging source (Authority)
040 Cataloging Source (Authority)
Appendix F: Format Changes, Update No. 6, October 2005
Appendix F: Format Change Lists
Appendix F: Format Changes - 1999
Appendix F: Format Changes, Update No. 1, October 2000
Appendix F: Format Changes, Update No. 2, October 2001
Appendix F: Format Changes, Update No. 3, October 2002
Appendix F: Format Changes, Update No. 4, October 2003
Appendix F: Format Changes, Update No. 5, October 2004
Appendix F: Format Changes, Update No. 7, October 2006
Appendix F: Format Changes, Update No. 10, October 2009
Appendix F: Format Changes, Update No. 11, February 2010
Appendix F: Format Changes, Update No. 12, October 2010
Appendix F: Format Changes, Update No. 9, October 2008
Appendix F: Format Changes, Update No. 8, October 2007
Appendix F: Format Changes, Update No. 13, September 2011
Appendix F: Format Changes, Update No. 14, April 2012
Appendix F: Format Changes, Update No. 15, September 2012
Appendix F: Format Changes, Update No. 16, April 2013
Appendix F: Format Changes, Update No. 17, September 2013
Appendix F: Format Changes, Update No. 18, April 2014
Appendix F: Format Changes, Update No. 19, October 2014
Appendix F: Format Changes, Update No. 20, April 2015
Appendix F: Format Changes, Update No. 21, September 2015
Appendix F: Format Changes, Update No. 22, April 2016
Appendix F: Format Changes, Update No. 23, November 2016
Appendix F: Format Changes, Update No. 24, May 2017
Appendix F: Format Changes, Update No. 25, December 2017
Appendix F: Format Changes, Update No. 26, April 2018
Appendix F: Format Changes, Update No. 27, November 2018
Appendix F: Format Changes, Update No. 28, May 2019
Appendix F: Format Changes, Update No. 28 Addendum Changes, July 2019
Appendix F: Format Changes, Update No. 29, November 2019
Appendix F: Format Changes, Update No. 30, May 2020
Appendix F: Format Changes, Update No. 31, December 2020
Appendix F: Format Changes, Update No. 32, June 2021
Appendix F: Format Changes, Update No. 33, November 2021
008/07 Romanization scheme (Authority)
066 Character Sets Present (Authority)
880 Alternate Graphic Representation (Authority)
8XX Location and Alternate Graphics (Authority)
182 Heading - Chronological Subdivision (Authority)
482 See From Tracing - Chronological Subdivision (Authority)
582 See Also From Tracing - Chronological Subdivision (Authority)
782 Subdivision Linking Entry - Chronological Subdivision (Authority)
X82 Chronological Subdivisions - General Information (Authority)
148 Heading - Chronological Term (Authority)
448 See From Tracing - Chronological Term (Authority)
548 See Also From Tracing - Chronological Term (Authority)
748 Established Heading Linking Entry - Chronological Term (Authority)
X48 Chronological Terms - General Information (Authority)
672 Title Related to the Entity
673 Title Not Related to the Entity
670 Source Data Found (Authority)
675 Source Data Not Found (Authority)
053 LC Classification Number (Authority)
065 Other Classification Number (Authority)
083 Dewey Decimal Classification Number (Authority)
087 Government Document Classification Number (Authority)
0XX Numbers and Codes (Authority)
080 Universal Decimal Classification Number
042 Authentication Code (Authority)
043 Geographic Area Code (Authority)
072 Subject Category Code (Authority)
0XX Numbers and Codes (Authority)
2XX-3XX Complex Subject References (Authority)
663-666 Complex Name References (Authority)
Reference Note Fields
Reference Note Fields: Complex Cross References
Tracing and Reference Fields - General Information
360 Complex See Also Reference - Subject (Authority)
663 Complex See Also Reference - Name (Authority)
Tracing and Reference Fields - General Information
260 Complex See Reference - Subject (Authority)
2XX-3XX Complex Subject References (Authority)
664 Complex See Reference - Name (Authority)
Tracing and Reference Fields - General Information
883 Machine-generated Metadata Provenance
885 Matching Information
670 Source Data Found (Authority)
675 Source Data Not Found (Authority)
8XX Location and Alternate Graphics (Authority)
Content Designator History
001 Control Number (Authority)
010 Library of Congress Control Number (Authority)
016 National Bibliographic Agency Control Number (Authority)
035 System Control Number (Authority)
0XX Numbers and Codes (Authority)
LAC Control Number Structure
LC Control Number Structure
Appendix A: $0 - Record control number
010 Library of Congress Control Number (Authority)
016 National Bibliographic Agency Control Number (Authority)
LAC Control Number Structure
LC Control Number Structure
Appendix A: Control Subfields
Tracing Fields: Simple Cross References
Appendix A: $0 - Record control number
Appendix A: $5 - Institution to which field applies
Appendix A: $6 - Linkage
Appendix A: $8 - Field link and sequence number
Appendix A: $1 - Real World Object URI
110 Heading - Corporate Name (Authority)
410 See From Tracing - Corporate Name (Authority)
510 See Also From Tracing - Corporate Name (Authority)
710 Established Heading Linking Entry - Corporate Name (Authority)
X10 Corporate Names - General Information (Authority)
2XX-3XX Complex Subject References (Authority)
4XX See From Tracings (Authority)
5XX See Also From Tracings (Authority)
663-666 Complex Name References (Authority)
Tracing and Reference Fields - General Information