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Control Subfields

Input Standards

Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards
ǂu Uniform Resource Identifier (NR)
Optional/Optional
ǂw Bibliographic record control number (R)
Optional/Optional
ǂx International Standard Serial Number (NR) Optional/Optional
ǂz International Standard Book Number (R) Optional/Optional
ǂ0 Authority record control number or standard number (R)
Optional/Optional
ǂ2 Source (NR)
Required if applicable/Required if applicable
ǂ3 Materials specified (NR) Optional/Optional
ǂ4 Relator code (R) Optional/Optional
ǂ5 Institution to which field applies (NR)
Required if applicable/Required if applicable
ǂ7 Control subfield (NR)
Optional/Optional
ǂ8 Field link and sequence number (R) Optional/Optional
ǂ9 Special entry (NR) Optional/Optional
[For lists of fields where these subfields are valid, see each subfield section below. Name, repeatability, and input standards may vary from field to field. For more information on variations in name, repeatability, and input standards, see the individual fields.]

Definition

The subfields included here are used to provide various identifiers, relationships, and sources of terms and codes. They are also used to provide links to other bibliographic records, specific institutions, and other fields within a single bibliographic record. These subfields are defined for many fields throughout the format. However, their descriptions are brought together on this page. These subfields are included in the field-level descriptions elsewhere in this document with links to this page.

Subfields

 
ǂu Uniform Resource Identifier

For fields where subfield ǂu is defined as the Uniform Resource Identifier (URI), subfield ǂu contains a URI, such as a Uniform Resource Location (URL) or Uniform Resource Name (URN), which provides electronic access to a resource in a standard syntax. This information is used for automated access to an electronic item using one of the Internet protocols or by resolution of a URN. With the exception of fields 856 and 956, subfield ǂu appears with other control subfields grouped at the end of the field.

In some cases, subfield ǂu can be used in place of other data ordinarily input in the field.

505   ǂu http://lcweb.loc.gov/catdir/toc/99176484.html

However, do not change an existing field to remove data so that it is represented solely by a URI.

 

Hexadecimal notation for diacritics and special characters. When recording a URI in subfield ǂu, you may enter most of the spacing characters listed in the table below as either characters or their hexadecimal equivalents. Do not confuse the spacing characters with their non-spacing counterparts. Use of the spacing characters will be limited almost exclusively to URLs.

Entry method Name Character Alternative entry (hexadecimal value)
Enter the character or hexadecimal value Spacing circumflex ^ %5E
Spacing underscore _ %5F
Spacing grave ` %60
Spacing tilde ~ %7E
Enter the hexadecimal value only Vertical bar ( | ) N/A %7C

Subfield ǂu defined as the URI is valid in the following fields: 031, 370, 381, 505, 506, 510, 514, 520, 530, 538, 540, 542, 545, 552, 555, 561, 563, 852, 856, 883, and 956. Additionally, subfield ǂu can be used in fields 901-907 and 945-949, either in accord with its control subfield definition or as a locally-defined subfield.

510 4   Bibliothèque nationale de France. BnF catalogue général, ǂc FRBNF33992002 ǂu http://catalogue.bnf.fr/ark:/12148/cb33992002c/
520     "A fresh and concise look at Anatolian carpets from the 14th to the 20th centuries, including some of the oldest surviving examples of Turkish carpets. Turkish rugs have been a part of European culture since the 14th century. Far more embedded in the Western consciousness than any other carpet type, they are among the most sought-after of all rugs by museums and collectors today. This book draws on the unparalleled collection at Washington's Textile Museum, as well as from other museums and private collections, dealing with issues such as history, lineage, design origins, and meaning across the whole spectrum of Turkish carpet weaving." ǂu http://books.google.com/books?id=U1A4AAAAMAAJ
545
    Physician, of Fremont, Ohio; served as surgeon with 10th and 72nd Ohio Volunteers during Civil War; after the war resumed medical practice in association with his brother Dr. Robert H. Rice; served one term as state legislator (1880); founder of Trommer Extract of Malt Co. in 1875; U.S. representative from Ohio, 1881-1883. ǂu http://bioguide.congress.gov/scripts/biodisplay.pl?index=R000199
555
8   Finding aid available from the Kansas Historical Society (Topeka) and on its website: ǂu http://www.kshs.org
856
4 0 ǂ3 MyiLibrary ǂu http://www.myilibrary.com?id=74138
ǂw Bibliographic record control number

For fields where subfield ǂw is defined as the bibliographic record control number, subfield ǂw contains the system control number of the bibliographic resource referenced in the field. The name of subfield ǂw is Record control number in fields 760-787. The control number is preceded by the applicable MARC organization code enclosed in parentheses. See MARC Code List for Organizations (http://www.loc.gov/marc/organizations/orgshome.html), which also includes links to Canadian, United Kingdom, and German MARC organization code lists. Subfield ǂw appears with other control subfields grouped at the end of the field.

Include subfield ǂw only when the cited record control number relates to another bibliographic record with the same language of cataloging as indicated in field 040 subfield ǂb.

In WorldCat, subfield ǂw may be used to cite record control numbers for the Library of Congress, OCLC, national libraries, and other national level bibliographic networks. Subfield ǂw may be repeated when multiple record control numbers apply.

Do not include local system control numbers in subfield ǂw in master bibliographic records.

Subfield ǂw defined as the bibliographic record control number is valid in the following fields: 760, 762, 765, 767, 770, 772, 773, 774, 775, 776, 777, 780, 785, 786, 787, 800, 810, 811, 830, 896, 897, 898, and 899. Additionally, subfield ǂw can be used in fields 901-907 and 945-949, either in accord with its control subfield definition or as a locally-defined subfield.

Library of Congress control numbers

The Library of Congress control number (LCCN) in subfield ǂw corresponds to subfield ǂa in field 010 of the related record. The form input in subfield ǂw is a machine-readable form of the LCCN. There are differences in how the pre-2001 and post-2000 formats of the LCCN are recorded in subfield ǂw.

LCCN Pre-2001 format

  • Enter the MARC organization code for the Library of Congress enclosed in parentheses, i.e., (DLC)
  • Enter the one-to-three character prefix followed by blanks if fewer than three characters; input three blanks if there is no prefix
  • Enter the two-digit year
  • Omit any separating hyphens
  • Input the six-digit serial number including leading zeros if the number is shorter than six digits
  • Omit the trailing blank following the number
  • Omit any trailing alphabetic identifiers and revision dates
773 0 8 ǂi Contained in (manifestation): ǂt Inter-American economic affairs. ǂg Vol. 39, no. 3 (winter 1985) ǂx 0020-4943 ǂw (DLC)   50001412 ǂw (OCoLC)1695997
780 0 0 ǂt Review of existential psychology & psychiatry ǂx 0034-656X ǂw (DLC)sf 77000170 ǂw (OCoLC)1604704
780
0 0 ǂt Baltic States & Kaliningrad ǂw (DLC)   95640966 ǂw (OCoLC)30120781
785
0 0 ǂt Bread and other bakery products ǂx 0575-7967 ǂw (CaOONL)840791186E ǂw (DLC)ce 84079118 ǂw (OCoLC)2443810
810 2   Union College (Schenectady, N.Y.). ǂt Union College bulletin. ǂw (DLC)sn 98030203 ǂw (OCoLC)7667173

LCCN Post-2000 format

  • Enter the MARC organization code for the Library of Congress enclosed in parentheses, i.e., (DLC)
  • Enter the one-to-two character prefix followed by a blank if fewer than two characters; input two blanks if there is no prefix
  • Enter the four-digit year
  • Omit any separating hyphens
  • Input the six-digit serial number including leading zeros if the number is shorter than six digits
776
0 8 ǂi Print version: ǂa Hermann, R. L. (Richard Lee). ǂt Landing a federal legal job. ǂd Chicago : American Bar Association, ©2011 ǂz 9781616328351 ǂz 1616328355 ǂw (DLC)  2011000115 ǂw (OCoLC)697153049
780
0 0 Public Utilities Commission of Nevada. ǂt Biennial report ǂw (DLC)  2001202263 ǂw (OCoLC)42671476
785
0 0 ǂt Freedom watch (Toronto, Ont.) ǂw (DLC)cn2001390000 ǂw (OCoLC)45400852
785
0
0
ǂt Estonia, Latvia & Lithuania ǂw (DLC)  2001207682 ǂw (OCoLC)37940120
830
  0 Functional foods & nutraceuticals series ; ǂv no. 8. ǂx 2380-0720 ǂw (DLC)  2015202562 ǂw (OCoLC)64385353

OCLC control numbers

  • Enter the MARC organization code for OCLC enclosed in parentheses, i.e., (OCoLC)
  • Omit any number signs or prefixes
  • Enter the OCLC control number of the related record without any spaces between the designation (OCoLC) and the control number
773
0 8 ǂi Contained in (manifestation): ǂt Traffic quarterly. ǂg Vol. 33, no. 4 (Oct. 1979) ǂx 0041-0713 ǂw (DLC)   50001781 ǂw (OCoLC)1695558
776
0 8 ǂi Online version: ǂa Duggar, Benjamin M. (Benjamin Minge), 1872-1956. ǂt Plant physiology. ǂd New York : The Macmillan Company, 1911 ǂw (OCoLC)894094040
780
0 0 ǂt ECPER journal for political and economic studies ǂx 1117-2096 ǂw (DLC)  94643577 ǂw (OCoLC)30008846
787
0 8 ǂi Complemented by (work): ǂt Career education review. Features & reports ǂx 1546-5543 ǂw (DLC)sn 99017010 ǂw (OCoLC)40704688
830   0 International criminal justice series ; ǂv v. 1. ǂw (OCoLC)900039145

Other control numbers

  • Enter the applicable MARC organization code enclosed in parentheses, e.g., (CaOONL)
  • Enter the control number of the related record without any spaces between the parenthetical designation and the control number
780
0 0 Lester B. Pearson College of the Pacific. ǂt Pearson times quarterly ǂx 1497-2867 ǂw (CaOONL)2001300073X ǂw (DLC)cn2001300073 ǂw (OCoLC)45787178
780
0 0 ǂt Saskatchewan Chinese directory & telephone book ǂx 0316-7054 ǂw (CaOONL)750318325 ǂw (DLC)cn 75031832 ǂw (OCoLC)2247778
785 0 0 ǂt Renaissance contemporaine ǂx 1624-3676 ǂw (FrPBN)31568781
[Item cataloged in French (i.e., 040 ǂb fre) with a control number link for the related record in the database of the Bibliothèque nationale de France]
830
  0 Acta anatomica ; ǂv Vol. 111, No. 1/2. ǂx 0001-5180 ǂw (DE-101)010000380
[Item cataloged in German (i.e., 040 ǂb ger) with a control number link for the related record in the database of the Deutsche Nationalbibliothek]
830   0 Analytical spectroscopy library ; ǂv vol. 1. ǂx 0926-4345 ǂw (NL-LeOCL)036007773 ǂw (OCoLC)906565284
[Item cataloged in Dutch (i.e., 040 ǂb dut) with a control number link for the related record in the Gemeenschappelijk Geautomatiseerd Catalogiseersysteem]
ǂx International Standard Serial Number

For fields where subfield ǂx is defined as the International Standard Serial Number (ISSN), subfield ǂx contains the ISSN for the continuing bibliographic resource referenced in the field. Enter the ISSN as two groups of four digits, separated by a hyphen. If the final character is a lowercase x, enter an uppercase X. Do not enter the caption ISSN in subfield ǂx. With the exception of fields 490 and 510 where subfield ǂx is a part of the recorded data, subfield ǂx appears with other control subfields grouped at the end of the field. For more information about the ISSN, see field 022.

Subfield ǂx defined as the ISSN is valid in the following fields: 490, 510, 534, 700, 710, 711, 730, 760, 762, 765, 767, 770, 772, 773, 774, 775, 776, 777, 780, 785, 786, 787, 790, 791, 792, 793, 796, 797, 798, 799, 800, 810, 811, 830, 896, 897, 898, and 899. Additionally, subfield ǂx can be used in fields 901-907 and 945-949, either in accord with its control subfield definition or as a locally-defined subfield.

490 1   Cornell University East Asia papers, ǂx 8756-5293 ; ǂv no. 40
510 0
  Chemical abstracts, ǂx 0009-2258
730 0   ǂi Supplement to (work): ǂa American journal of psychiatry. ǂx 0002-953X
780 0 0 ǂt Atlantic (Boston, Mass. : 1981) ǂx 0276-9077 ǂw (DLC)   82644383 ǂw (OCoLC)7320717
830   0 Marchés nouveaux ; ǂv no 16. ǂx 0150-7605 ǂw (DLC)  2003255047 ǂw (OCoLC)52407450
ǂz International Standard Book Number

For fields where subfield ǂz is defined as the International Standard Book Number (ISBN), subfield ǂz contains the ISBN for the bibliographic resource referenced in the field. Enter the 10- and/or 13-digit ISBN without any hyphens, periods, or spaces. If the final character is a lowercase x, enter an uppercase X. Omit any qualifiers or price information. Do not enter the caption ISBN in subfield ǂz. Subfield ǂz appears with other control subfields grouped at the end of the field. For more information about the ISBN, see field 020.

Subfield ǂz defined as the ISBN is valid in the following fields: 534, 556, 581, 765, 767, 770, 772, 773, 774, 775, 776, 780, 785, 786, and 787. Additionally, subfield ǂz can be used in fields 901-907 and 945-949, either in accord with its control subfield definition or as a locally-defined subfield.

534     ǂp Reprint. Originally published: ǂc Dordrecht : Springer, ©2006. ǂz 1402046790 ǂz 9781402046797
773 0 8 ǂi Contained in (manifestation): ǂa Highway and Urban Environment Symposium (9th : 2008 : Madrid, Spain). ǂt Highway and urban environment. ǂd Dordrecht : Springer, ©2010 ǂz 9789048130429 ǂz 9048130425 ǂw (DLC)  2009940201 ǂw (OCoLC)401154018 ǂ7 m2am
776 0 8 ǂi Print version: ǂt Yindu shi chang jing ji ti zhi. ǂd Lanzhou : Lanzhou da xue chu ban she, 1994 ǂz 7311007305 ǂz 9787311007300 ǂw (OCoLC)122969821
780 0 0 Zuckerman, Tod I. ǂt Environmental insurance litigation ǂz 0071723455 ǂz 9780071723459 ǂw (OCoLC)180778604
785 0 0 ǂt Law of evidence in Washington. ǂb Fourth edition ǂz 032716283X ǂz 9780327162834 ǂw (OCoLC)52338945
ǂ0 Authority record control number or standard number

Subfield ǂ0 contains the system control number of the related authority record or a standard identifier such as an International Standard Name Identifier (ISNI). The control number or identifier is preceded by the applicable MARC organization code (for a related authority record) or the standard identifier source code (for a standard identifier scheme), enclosed in parentheses. For a listing of organization codes, see MARC Code List for Organizations (http://www.loc.gov/marc/organizations/orgshome.html), which also includes links to Canadian, United Kingdom, and German MARC Organization Code lists. For a listing of standard identifiers, see Standard Identifier Source Codes (http://www.loc.gov/standards/sourcelist/standard-identifier.html). Subfield ǂ0 is repeatable for different control numbers or identifiers. Subfield ǂ0 usually appears with other control subfields grouped at the end of the field.

Use of OCLC's control headings functionality in the 1xx, 7xx, and 8xx descriptive access point fields and in the 6xx subject access point fields will remove all instances of subfield ǂ0 in the case of names and subjects controlled to the LC/NACO and LCSH authority files. For access point fields where the control heading functionality is available related to other authority files, the control headings functionality will remove all instances of subfield ǂ0 other than the one linking to the authority record to which the access point is controlled.

Use of OCLC's control headings functionality is preferable to manually entering subfield ǂ0 in cases where the access point can be controlled to a particular authority file. You may enter other applicable identifiers in subfield ǂ0 such as the International Standard Name Identifier (ISNI) or the Open Researcher and Contributor ID (ORCID) in access points which are not controlled to any associated authority file record. However, such identifiers will be removed if the access point is subsequently controlled to a record in an associated authority file.

Local authority record control numbers may be entered in subfield ǂ0 locally. Do not add local authority record control numbers to master records in WorldCat.

Subfield ǂ0 is valid in the following fields: 033, 034, 043, 100, 110, 111, 130, 240, 340, 344, 345, 346, 347, 370, 380, 381, 382, 385, 386, 388, 518, 600, 610, 611, 630, 648, 650, 651, 654, 655, 656, 657, 662, 700, 710, 711, 730, 751, 752, 754, 790, 791, 792, 793, 796, 797, 798, 799, 800, 810, 811, 830, 883, 896, 897, 898, and 899. Additionally, subfield ǂ0 can be used in fields 901-907 and 945-949, either in accord with its control subfield definition or as a locally-defined subfield.

100 1   Childress, Eric. ǂ0 (isni)0000000043605828 ǂ0 (orcid)0000-0002-7442-635X ǂ0 (viaf)36648407
[Item cataloged in English (i.e., 040 ǂb eng) with an uncontrolled access point with ISNI, ORCID, and VIAF standard identifiers]
110 2   Lüneburger Sport-Vereinigung von 1913. ǂ4 aut ǂ0 (DE-588)7832962-0
[Item cataloged in German (i.e., 040 ǂb ger) with an access point controlled to a record in the GND Authorities (German) authority file]
650   7 Local transit ǂx Ridership. ǂ2 fast ǂ0 (OCoLC)fst01001631
[FAST topical subject access point with the control number of the related FAST authority record]
650   7 Temps (philosophie) ǂ2 ram ǂ0 (FrPBN)11933602
[Rameau topical subject access point with the control number of the related Rameau authority record]
700 1   Park, Robert Ezra, ǂd 1864-1944. ǂ0 (NL-LeOCL)069017557
[Item cataloged in Dutch (i.e., 040 ǂb dut) with an access point controlled to a record in the NTA Names (Dutch) authority file]

In the case of some types of controlled access points, e.g., 6xx subject access point fields, multiple instances of subfield ǂ0 with the same or different control numbers will appear following each subfield.

650 2
2 Cancer Vaccines ǂ0 (DNLM)D019496Q000744 ǂx contraindications. ǂ0 (DNLM)D019496Q000744
[MeSH topical subject access point controlled to the MeSH authority file]
ǂ2 Source

Subfield ǂ2 contains a code that identifies the source document or list from which numbers, terms, or codes appearing in the field were assigned. The name and definition of subfield ǂ2 vary slightly from field to field. Source codes are composed of lowercase alphabetic characters and, in some cases, numeric characters 0 through 9 and the hyphen ( - ). Codes vary in length, but most codes have a maximum of 12 characters. Codes are usually based on the title or numbering of the source. See Source Codes, Vocabularies, Rules, and Schemes (http://www.loc.gov/standards/sourcelist/). Subfield ǂ2 appears with other control subfields grouped at the end of the field.

The code may be followed by edition information or date of publication if the source has been published multiple times. That information is separated from the code by a slash ( / ). The omission of edition information or date of publication implies that the current version of the source was used when the record was created.

    ǂ2 msdocs/1975
    ǂ2 sears/12th

The code must be followed by an indication of language if the term appearing in the field is from a translated version of the original source document or list. The 3-character MARC language code is used when an indication of language is needed. See the MARC Code List for Languages (http://www.loc.gov/marc/languages/). The language is separated from the code and any edition information or date of publication by a slash ( / ).

    ǂ2 fei/eng

Subfield ǂ2 is valid in the following fields: 015, 017, 022, 024, 026, 031, 033, 034, 041, 043, 044, 046, 047, 048, 052, 055, 072, 080, 082, 083, 084, 086, 210, 257, 336, 337, 338, 340, 342, 344, 345, 346, 347, 365, 366, 370, 377, 380, 381, 382, 383, 385, 386, 388, 506, 518, 520, 524, 583, 600, 610, 611, 630, 648, 650, 651, 654, 655, 656, 657, 658, 662, 690, 691, 695, 696, 697, 698, 699, 751, 752, 754, 852, 856, 887, and 891. Additionally, subfield ǂ2 can be used in fields 901-907 and 945-949, either in accord with its control subfield definition or as a locally-defined subfield.

015     GBA260520 ǂ2 bnb
086     E 46.26:3 ǂ2 ksdocs
337     zonder medium ǂb n ǂ2 rdamedia/dut
[Item cataloged in Dutch (i.e., 040 ǂb dut) with a translation of a term from the RDA list of media types]
506
    ǂ3 Use copy ǂf Restrictions unspecified ǂ2 star ǂ5 MiAaHDL
655   7 Topographic maps. ǂ2 lcgft
ǂ3 Materials specified

Subfield ǂ3 contains an indication of the part of the described material to which the field applies. Subfield ǂ3 appears at the beginning of the field in cases where it is intended for display, otherwise it appears with other control subfields grouped at the end of the field.

Subfield ǂ3 is valid in the following fields: 033, 034, 037, 050, 250, 260, 264, 300, 336, 337, 338, 340, 344, 345, 346, 347, 351, 385, 386, 388, 490, 500, 506, 510, 518, 520, 521, 524, 530, 533, 534, 535, 538, 540, 541, 542, 544, 546, 555, 561, 562, 563, 565, 581, 583, 584, 585, 586, 590, 600, 610, 611, 630, 648, 650, 651, 654, 655, 656, 657, 690, 691, 696, 697, 698, 699, 700, 710, 711, 730, 751, 773, 790, 791, 792, 793, 796, 797, 798, 799, 800, 810, 811, 830, 851, 852, 856, 891, 896, 897, 898, and 899. Additionally, subfield ǂ3 can be used in fields 901-907 and 945-949, either in accord with its control subfield definition or as a locally-defined subfield.

264   1 ǂ3 1988-2005: ǂa Earleville, MD : ǂb Costume Society of America, ǂc 1988-2014.
264 3 1 ǂ3 2006-2014: ǂa Hillsborough, NJ : ǂb Costume Society of America
336     performed music ǂb prm ǂ2 rdacontent ǂ3 audio disc
336     notated music ǂb ntm ǂ2 rdacontent ǂ3 score
500     ǂ3 Correspondence ǂa Gift of E. Mowbray Tate, July 1980.
546     ǂ3 DVD ǂa Dialogue and subtitles in English.
856 4 0 ǂ3 MyiLibrary ǂu http://www.myilibrary.com?id=40266
ǂ4 Relator code

Subfield ǂ4 contains a three-character code that indicates the relationship of the access point to the item. The name of subfield ǂ4 is Relationship code in fields 760-787. See MARC Code List for Relators (http://www.loc.gov/marc/relators/). Subfield ǂ4 appears with other control subfields grouped at the end of the field.

Subfield ǂ4 is valid in the following fields: 100, 110, 111, 270, 600, 610, 611, 630, 650, 651, 654, 662, 696, 697, 698, 699, 700, 710, 711, 720, 751, 760, 762, 765, 767, 770, 772, 773, 774, 775, 776, 777, 780, 785, 786, 787, 790, 791, 792, 796, 797, 798, 800, 810, 811, 896, 897, and 898. Additionally, subfield ǂ4 can be used in fields 901-907 and 945-949, either in accord with its control subfield definition or as a locally-defined subfield.

100 1   Poe, Edgar Allan, ǂd 1809-1849, ǂe author. ǂ4 aut
100 1   Schumann, Robert, ǂd 1810-1856, ǂe composer. ǂ4 cmp
110 1   Victoria. ǂb Office of the Racing Integrity Commissioner, ǂe author. ǂ4 aut
700 1   Utgard, Russell O., ǂe degree supervisor. ǂ4 dgs
710 2   Mozarteum-Orchester, ǂe performer. ǂ4 prf
ǂ5 Institution to which field applies

Subfield ǂ5 contains the code of the institution that holds the item to which the field applies. The code is used for access points and notes that do not apply to the universal description of the item or may apply universally to the item but are of limited interest. Subfield ǂ5 is used primarily for rare materials as well as for data related to special collections and projects, such as cooperative preservation programs, of interest beyond the institution creating the record. See MARC Code List for Organizations (http://www.loc.gov/marc/organizations/orgshome.html), which also includes links to Canadian, United Kingdom, and German MARC Organization Code lists. Subfield ǂ5 appears with other control subfields grouped at the end of the field.

Subfield ǂ5 is valid in the following fields: 026, 037, 246, 500, 501, 506, 526, 533, 538, 540, 541, 561, 562, 563, 583, 584, 585, 588, 655, 700, 710, 711, 730, 740, 790, 791, 792, 793, 796, 797, 798, 799, 800, 810, 811, 830, 896, 897, 898, and 899. Additionally, subfield ǂ5 can be used in fields 901-907 and 945-949, either in accord with its control subfield definition or as a locally-defined subfield.

500     Library copy inscribed on front free endpaper: "Thomas Eaton Swettenham from his Godmother the Dowager Countess of Winterton Dec. 25th 1844." ǂ5 InU
[Record for a rare book]
506     Digital version available with no restrictions. ǂf Unrestricted online access. ǂ2 star ǂ5 NNC
[Digital preservation record]
533     Electronic reproduction. ǂb New York, N.Y. : ǂc Columbia University Libraries, ǂd 2008. ǂn Digitized by the Internet Archive. ǂ5 NNC
[Digital preservation record]
710 2   Pre-1801 Imprint Collection (Library of Congress), ǂe curator. ǂ4 cur ǂ5 DLC
[Record for a rare book]
710
2   Warwick Castle (Warwick, England). ǂb Shakespeare Library, ǂe former owner. ǂ4 fmo ǂ5 DFo
[Record for a rare book]
ǂ7 Control subfield

Subfield ǂ7 contains one-character codes that indicate special characteristics of a linked entry or access point. Subfield ǂ7 contains up to four one-character codes in the case of fields 760-787 and up to two one-character codes in the case of fields 800-830 and 896-899. In subfield ǂ7, character positions are designated /0, /1, /2, etc. In current cataloging, subfield ǂ7 generally appears with other control subfields grouped at the end of the field. Subfield ǂ7 is used infrequently.

The definition of each character position in subfield ǂ7 is dependent on the field in which it is used. Since the definition of the codes within subfield ǂ7 are dependent on the position in which they occur, the coding of any character position after the first mandates that each preceding character position also contains a code. Succeeding character positions do not need to be coded. For example, if in fields 760-787 positions /0 and /1 are not applicable, but position /2 is, then positions /0 and /1 contain code n.

Subfield ǂ7 is valid in the following fields: 760, 762, 765, 767, 770, 772, 773, 774, 775, 776, 777, 780, 785, 786, 787, 800, 810, 811, 830, 896, 897, 898, and 899. Additionally, subfield ǂ7 can be used in fields 901-907 and 945-949, either in accord with its control subfield definition or as a locally-defined subfield.

Although MARC 21 also defines subfield ǂ7 for use in field 533, OCLC has implemented that subfield as field 539.

Fields 760-787

Up to four character positions that indicate special characteristics of the linked entry defined as follows:

/0 - Type of main entry heading. Code indicating either the type of name contained in subfield ǂa or the preferred title in subfield ǂt. The codes correspond to the 1xx field in the record for the related item, i.e., field 100 for personal names, field 110 for corporate names, field 111 for meeting names, and field 130 for preferred titles. Code n is used when no other codes apply.

p Personal name
c Corporate name
m Meeting name
u Uniform title
n Not applicable

/1 - Form of name. Code indicating the form of the name contained in subfield ǂa. The code corresponds to the value of the first indicator in the 1xx field in the record for the related item, and must be interpreted in conjunction with the value in position /0.

For position /0 coded p, position /1 contains one of the following codes:

0 Forename
1 Surname
3 Family name

For position /0 coded c or m, position /1 contains one of the following codes:

0 Inverted name
1 Jurisdiction name
2 Name in direct order

For position /0 coded u or n, position /1 contains the following code:

n Not applicable

/2 - Type of record. Code indicating the type of record for the related item. The code corresponds to the code in Type in the record for the related item.

a Language material
c Notated music
d Manuscript notated music
e Cartographic material
f Manuscript cartographic material
g Projected medium
i Nonmusical sound recording
j Musical sound recording
k Two-dimensional nonprojectable graphic
m Computer file
o Kit
p Mixed material
r Three-dimensional artifact or naturally occurring object
t Manuscript language material

/3 - Bibliographic level. Code indicating the bibliographic level of the related item. The code corresponds to the code in BLvl in the record for the related item.

a Monographic component part
b Serial component part
c Collection
d Subunit
i Integrating resource
m Monograph/item
s Serial
773 0 8 ǂi Contained in (manifestation): ǂa DuVal, F. Alan (Francis Alan), 1916- ǂt Christian Metz German-American religious leader & pioneer. ǂd [Iowa City, Iowa] : Penfield Books, 2005 ǂz 1932043330 ǂw (DLC)  2005905476 ǂw (OCoLC)64679240 ǂ7 p1am
773 0 8 ǂi Contained in (manifestation): ǂt Library technology reports. ǂg Vol. 19, no. 3 (May/June 1983) ǂx 0024-2586 ǂw (DLC)   77644312 ǂw (OCoLC)2910540 ǂ7 nnas
773 0 8 ǂi Contained in (manifestation): ǂa New York Shakespeare Festival. ǂt New York Shakespeare Festival records, 1954-1992 ǂw (OCoLC)144652508 ǂ7 m2pc
773 0 8 ǂi Contained in (manifestation): ǂa Society for the Diffusion of Useful Knowledge (Great Britain). ǂt Maps of the Society for the Diffusion of Useful Knowledge. ǂd London : Chapman and Hall, 1844. ǂg Vol. 2, map 127 ǂw (OCoLC)8232937 ǂ7 c2em
773 0 8 ǂi Contained in (manifestation): ǂa World Conference on Transport Research (1983 : Hamburg, Germany). ǂt Research for transport policies in a changing world. ǂd Hamburg, Federal Republic of Germany : SNV Studiengesellschaft Nahverkehr, [1983] ǂw (OCoLC)10659659 ǂ7 m2am

Fields 800-830 and 896-899

Up to two character positions that indicate special characteristics of the access point defined as follows:

/0 - Type of record. Code indicating the type of record for the related item. The code corresponds to the code in Type in the record for the related item. Codes d, f, and t are unlikely to be used in position /0.

a Language material
c Notated music
d Manuscript notated music
e Cartographic material
f Manuscript cartographic material
g Projected medium
i Nonmusical sound recording
j Musical sound recording
k Two-dimensional nonprojectable graphic
m Computer file
o Kit
p Mixed material
r Three-dimensional artifact or naturally occurring object
t Manuscript language material

/1 - Bibliographic level. Code indicating the bibliographic level of the related item. The code corresponds to the code in BLvl in the record for the related item. Codes a, b, c, d, and i are unlikely to be used in position /1.

a Monographic component part
b Serial component part
c Collection
d Subunit
i Integrating resource
m Monograph/item
s Serial
800 1   Freud, Sigmund, ǂd 1856-1939. ǂt Works. ǂl English ǂs (Pelican Freud library) ; ǂv v. 11. ǂw (OCoLC)652376393 ǂ7 am
810 2   DeLorme (Firm). ǂt Atlas & gazetteer. ǂ7 em
830   0 Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg ; ǂv n.F., 23. ǂx 0173-7481 ǂw (DLC)sn 82000309 ǂw (OCoLC)7547018 ǂ7 as
830   0 Baroque chamber music series ; ǂv no. 11. ǂw (DLC)sf 98010001 ǂw (OCoLC)9292689 ǂ7 cs
830   0 Video lecture series (American Institute of Organbuilders : VHS) ; ǂv #1901. ǂw (OCoLC)40457848 ǂ7 gs
ǂ8 Field link and sequence number

Subfield ǂ8 identifies linked fields and may also propose a sequence for the linked fields. Subfield ǂ8 may be repeated to link a field to more than one other group of fields. You are responsible for creating and maintaining links in subfield ǂ8. The system does not create or maintain these links. Subfield ǂ8 generally appears at the beginning of the field.

Subfield ǂ8 is valid in the following fields: 010, 013, 015, 016, 017, 018, 020, 022, 024, 025, 026, 027, 028, 030, 031, 032, 033, 034, 035, 036, 037, 040, 041, 043, 044, 045, 046, 047, 048, 050, 051, 052, 055, 060, 061, 070, 071, 072, 074, 080, 082, 083, 084, 085, 086, 088, 100, 110, 111, 130, 210, 222, 240, 242, 243, 245, 246, 247, 250, 254, 255, 256, 257, 258, 260, 263, 264, 270, 300, 306, 307, 310, 321, 336, 337, 338, 340, 342, 343, 344, 345, 346, 347, 348, 351, 352, 355, 357, 362, 363, 365, 366, 370, 377, 380, 381, 382, 383, 384, 385, 386, 388, 490, 500, 501, 502, 504, 505, 506, 507, 508, 510, 511, 513, 514, 515, 516, 518, 520, 521, 522, 524, 525, 526, 530, 533, 534, 535, 536, 538, 540, 541, 542, 544, 545, 546, 547, 550, 552, 555, 556, 561, 562, 563, 565, 567, 580, 581, 583, 584, 585, 586, 588, 590, 599, 600, 610, 611, 630, 648, 650, 651, 653, 654, 655, 656, 657, 658, 662, 690, 691, 696, 697, 698, 699, 700, 710, 711, 720, 730, 740, 751, 752, 753, 754, 760, 762, 765, 767, 770, 772, 773, 774, 775, 776, 777, 780, 785, 786, 787, 790, 791, 792, 793, 796, 797, 798, 799, 800, 810, 811, 830, 850, 852, 856, 882, 883, 891, 896, 897, 898, and 899. Additionally, subfield ǂ8 can be used in field 886, either in accord with its control subfield definition or its foreign MARC subfield definition. Subfield ǂ8 can be used in fields 901-907 and 945-949, either in accord with its control subfield definition or as a locally-defined subfield.

The structure and syntax for the field link and sequence number subfield is:

ǂ8 [linking number].[sequence number]\[field link type]

Please note that subfield ǂ8 is defined differently in field 852 where it is used to sequence related holdings records.

Linking number is the first data element in the subfield and required if the subfield is used. It is a variable-length whole number that occurs in subfield ǂ8 in all fields that are to be linked. Fields with the same linking number are considered linked.

Sequence number is separated from the linking number by a period ( . ) and is optional. It is a variable-length whole number that may be used to indicate the relative order for display of the linked fields with lower sequence numbers displaying before higher ones. If it is used, it must occur in all subfields ǂ8 containing the same linking number.

Field link type is separated from preceding data by a reverse slash ( \ ). It is a code used to indicate the reason for the link and it follows the link number or the sequence number when the sequence number is present. Field link type is required except when subfield ǂ8 is used to link and sequence 84x-87x holdings fields. The following one-character field link type codes have been defined for use in subfield ǂ8:

a

Action. Used in a record to link one or more fields with another field to which the processing or reference actions relate. This code is typically used only when there is more than one 5xx field that relates to another 5xx field.

541     ǂ8 1.1\a ǂ3 Public School and College Authority and Trade School and Junior College Authority project files ǂa Finance Dept. ǂc Transferred
583
    ǂ8 1.2\a ǂa Appraised ǂc 198712- ǂl tjb/prr
583     ǂ8 1.3\a ǂa Scheduled ǂc 19880127 ǂk src/prr
583     ǂ8 1.4\a ǂa Arranged ǂc 19900619 ǂk mc/dmj
583     ǂ8 1.5\a ǂa Processed level 2 ǂb 90.160 ǂc 19901218 ǂk mc/dmj
c

Constituent item. Used in a record for a collection, or a single item consisting of identifiable constituent units, to link the fields relating to the constituent units. All other non-linked data elements in the record pertain to the collection or item as a whole.

245
0
0 Brevard Music Center. ǂn Program #24.
505
0 0 ǂt From my window / ǂr Siegmesiter (world premiere) -- ǂt Don Giovanni. Il mio tesoro / ǂr Mozart -- ǂt Martha. M’appari / ǂr Flotow -- ǂt Turandot. Nessun dorma / ǂr Puccini -- ǂt Pines of Rome / ǂr Respighi.
650
  0 ǂ8 1\c ǂa Suites (Orchestra), Arranged.
650
  0 ǂ8 2\c ǂ8 3\c ǂ8 4\c ǂa Operas ǂv Excerpts.
650   0 ǂ8 5\c ǂa Symphonic poems.
700 1   ǂ8 2\c ǂ8 4\c ǂa Di Giuseppe, Enrico, ǂd 1938- ǂ4 prf
700 1 2 ǂ8 1\c ǂi Container of (expression): ǂa Siegmeister, Elie ǂd 1909- ǂt From my window; ǂo arranged.
700 1 2 ǂ8 2\c ǂi Container of (work): ǂa Mozart, Wolfgang Amadeus, ǂd 1756-1791. ǂt Don Giovanni. ǂp Mio tesoro.
700 1 2 ǂ8 3\c ǂi Container of (expression): ǂa Flotow, Friedrich von, ǂd 1812-1883. ǂt Martha. ǂp Ach! So fromm, ach! so traut. ǂl Italian.
700 1 2 ǂ8 4\c ǂi Container of (work): ǂa Puccini, Giacomo, ǂd 1858-1924. ǂt Turandot. ǂp Nessun dorma.
700 1 2 ǂ8 5\c ǂi Container of (work): ǂa Respighi, Ottorino, ǂd 1879-1936. ǂt Pini di Roma.
[This example includes fields where subfield ǂ8 will be implemented by OCLC in the future]
p

Metadata provenance. Used in a record to link a field with another field containing information about provenance of the metadata recorded in the linked field.

082 0 4 ǂ8 1\p ǂa 004 ǂ2 22/ger ǂq DE-101
883
0   ǂ8 1\p ǂa parallelrecordcopy ǂd 20120101 ǂx 20141231 ǂq NO-OsNB
r

Reproduction. Used in a record for a reproduction to identify fields linked because they contain information concerning only the reproduction. Other descriptive information in the record pertains to the original with the exception of Form, field 007, and field 533.

Form     a
007     h ǂb a
245 0 4 The New-York mirror, and ladies' literary gazette.
533     ǂ8 1\r ǂa Microfilm. ǂb Ann Arbor, Mich. : ǂc University Microfilms, ǂd 1950. ǂe 3 microfilm reels ; 35 mm. ǂf (American periodical series, 1800-1850 ; 164-165, 785).
830   0 ǂ8 1\r ǂa American periodical series, 1800-1850 ; ǂv 164-165, 785.
[This example includes fields where subfield ǂ8 will be implemented by OCLC in the future]
x

General sequencing. Used in a record to link fields to show a sequence between them. The sequence could be one that orders the pieces of a long field that has been broken up, indicates the relative importance of fields within the sequence, or is used for some other sequencing purpose. Use of the sequence number in subfield ǂ8 is required when this code is used.

505 0 0 ǂ8 1.1\x ǂt Three articles reviewing Hoeffding's work -- ǂt Wassily Hoeffding's work in the sixties / ǂr Kobus Oosterhoff and Willem van Zwet -- ǂt The impact of Wassily Hoeffding's work on sequential analysis / ǂr Gordon Simons -- ǂt The impact of Wassily Hoeffding's research on nonparametrics / ǂr Pranab Kumar Sen --
505
8 0 ǂ8 1.2\x ǂt The role of assumptions in statistical decisions -- ǂt Distinguishability of sets of distributions : (the case of independent and identically distributed random variables) / ǂr Wassily Hoeffding and J. Wolfowitz --
505 8
0
ǂ8 1.3\x ǂt Unbiased range-preserving estimators -- ǂt Range preserving unbiased estimators in the multinomial case -- ǂt Asymptotic normality -- ǂt Hajek's projection lemma.
[This example shows a long 505 field broken up into smaller segments and includes fields where subfield ǂ8 will be implemented by OCLC in the future]
ǂ9 Special entry

For fields where subfield ǂ9 is defined as special entry, subfield ǂ9 contains user-specified information.

Subfield ǂ9 defined as special entry is valid in the following fields: 690, 691, 696, 697, 698, 699, 796, 797, 798, 799, 896, 897, 898, and 899. Additionally, subfield ǂ9 can be used in fields 901-907 and 945-949, either in accord with its control subfield definition or as a locally-defined subfield.

Punctuation

With the exception of subfield ǂx in fields 490 and 510 and subfield ǂ3, do not add punctuation (e.g., commas, colons, semicolons, etc.) to separate a control subfield from any preceding or subsequent subfields. Add terminal punctuation, i.e., hyphen ( - ), question mark ( ? ), exclamation point ( ! ), closing parenthesis ( ) ), or period ( . ), to any field that requires terminal punctuation before any control subfields appearing at the end of the field. Do not add terminal punctuation to a control subfield that occurs at the end of a field.

Indexing

For indexing and searching information, see Searching WorldCat Indexes.

This page last revised: October 17, 2016