Bibliographic Record Variable-Length Fields (Sierra)
The following information describes the variable-length fields found in bibliographic records.
Variable-length Fields in Bibliographic Records for MLN1 Libraries
When choosing the Field for Create Lists, numbers are associated with the variable-length fields. Also, see information about Marmot cataloging standards and cataloging policies.
Field Number | Field | Description | Field Group Tag or Default MARC Tag | Data in Field Entered by | Limits | Examples |
| MARC Leader | A system-generated variable-length field that uses no indicators or subfield identifiers, that stores information about a bibliographic record and the record's structure. See Leader Field. | _ or LEADER | system/ libraries | N/A | #####nam 22#####Ia 4500 |
1 | LOCATIONS | Appears if the fixed-length field LOCATION is MULTI. If multiple copies are sent to multiple branches or locations, and the fixed-length field LOCATION is therefore "MULTI", the variable-length LOCATIONS field is created and displays the locations and number of copies (if it is more than one). This field cannot be edited; it can be changed by editing the fixed-length field LOCATION. See also LOCATIONS field in the checkin record and LOCATIONS field in order record. | 1 | system | N/A | MULTI, asgv,flv, ws |
a | AUTHOR
| Author - use the authorized form of name from the Name Authority File (NAF). Fictitious people and non-human entities can be creators.
| a or 100 |a, 100 |e, 110 |a | libraries | Maximum 10,000 characters | a1001 |aThoreau, Henry David,|d1817-1862. |
b | AUTH/LLUS | Alternative authors or Added Entry - Personal Name (R) | b or 700 or 710 |
|
| Meggers, Betty Jane,|0https://id.loc.gov/authorities/names/n80001224|eauthor. |
d | SUBJECT | Subject.
| d or 600, 610, 630, 650,651, 655/7 | libraries | Maximum 10,000 characters | d650 0|aEnglish prose literature|xHistory and criticism.
|
e | EDITION | Edition. Transcribe from the item. Do not abbreviate unless the abbreviation appears on the item. | e or 250 | libraries | Maximum 10,000 characters | e250 |a5th ed.,|bcomplete. |
f | INPUTTER | This can be used to record the initials of the person who input the record. |
| libraries | Maximum 10,000 characters | aka or kma |
g | GOVT. DOC# | Government Document Number. SUDOCS number | g or 086 | libraries | Maximum 10,000 characters | g086|aLBE1/15.10/Mo.-Year/Mo.-Year|2codocs |
h | LIB HAS | See also LIB HAS field in checkin record. | h or 85x/86x or 866-868 | libraries | Maximum 10,000 characters | h850 |a45-|b1965-|n[Microfilm=1-44 1921-1964] Per BR 1 .J65 |
i | ISBN/ISSN | Standard number. This is a standard identification number—often this field is re-named ISBN, ISBN/ISSN, or ISSN.
| i or 020 |a, 020 |z, 022, 024 1\, 028 | libraries | Maximum 10,000 characters | i020 |a0308101278;|a0308101731 (pbk.) |
j | ALT CALL# | Alternative class numbers lack the cutter; they classify the subject of the work but do not identify a given work in a unique way (which is the function of the cutter). On DLC |c DLC records alternative class numbers are on the 050 field following the complete class number. | j or 050 or 082 |
| Maximum 10,000 characters | j050|PZ10.C3335|bWo4 j050|RC489.E7|bF46 |
k | TOC DATA | Table of contents data. | k or 970 | libraries | Maximum 10,000 characters | k97011|tAcknowledgements k97011|l1|tIntroduction|p1 |
l | LCCN | LC Control Number. A unique number is assigned to a record by LC or a Linked Systems Project partner contributing authority records to the Name Authority Cooperative Program (NACO) database. | l or 010 | libraries | Maximum 10,000 characters | l010 |a75009688 //r79 |
m | LOAD NOTE | The load profiles automatically create this note. It identifies the profile that was used and which month it happened. If the load was from OCLC, it also identifies the library. | m or 995 | system | Maximum 10,000 characters | m995|Loaded with m2btab.ltiac in 2022.12 |
n | NOTE | Free text note.
| n or 500, 505, 520, 538, 546 | libraries | Maximum 10,000 characters | n500 |a"Background information," an edited transcript of interviews between L. C. Lewin and "John Doe," pseudonymous group member who released the report: p. xvii-xxx. |
o | BIB UTIL# | Bibliographic Utility Number. The control number assigned by the organization creating, using, or distributing the record. OCLC or SkyRiver number. We allow records to include both numbers to improve record matching. | o or 001 | libraries | Maximum 10,000 characters | o001 2505480 |
p | PUBLISHER | Publication information. If you can’t find the publisher easily, use [publisher not identified].
| p or 264\ 1|a, 264 \1 |b, 264 \1 |c, 264 \4 |c | libraries | Maximum 10,000 characters | P264 1 |aBloomington, Ill.,|bMcKnight & McKnight|c[1967] |
q | OTHER TITLE (q) | Other titles, such as cover titles. Include anything that would aid in searching, such as spelling out numerals or variant spellings, even if they do not appear on the item. | q or 776 | libraries | Maximum 10,000 characters | q776|iOnline version:|aStern, Philip Van Doren, 1900-1984.|tPrehistoric Europe, from stone age man to the early Greeks.|b[1st ed.].|dNew York, Norton [1969]|w(OCoLC)581278481 |
r | DESCRIPTN | Description.
| r or 300, 336, 337, 338 | libraries | Maximum 10,000 characters | r300 |axx, 453, xvii p.|billus., maps, diagrs., plans.|c23 cm. |
s | SERIES | Series name.
| s or 490, 800 830 | libraries | Maximum 10,000 characters | s4901 |aThe Civil War s830 0|aCivil War. |
t | TITLE | Title.
| t or 130, 240, 245 |ab, 245|c | libraries | Maximum 10,000 characters | t24514|aThe talkative President;|bthe off-the-record press conferences of Calvin Coolidge.|cEdited by Howard H. Quint & Robert H. Ferrell. |
u | OTHER TITLE (u) | A title equivalent to the title in the t or 245 field of the same record. Other titles, such as cover titles. Include anything that would aid in searching, such as spelling out numerals or variant spellings, even if they don’t appear on the item.
| u or 222, 229, 246 | libraries | Maximum 10,000 characters | u2463 |aEverybody's guide to small claims court. u2463 |aSmall claims court. |
v | LOCAL INFO | They should be in the field group tag v for LOCAL INFO. Only 590, 690 and 691 fields with LOCAL INFO field group tags are protected from overlay. These should be used for local information. | v or 590 or 690 or 691 | libraries | Maximum 10,000 characters | v590|ACL000096315 2-17-93 pur (ed./psych.) $31.95 PBK |
w | RELATED TO | Related work. | w or 787 | libraries | Maximum 10,000 characters | w7871 |tApplied economics. |
x | CONTINUES | Preceding title, continues, supersedes. | x or 780 | libraries | Maximum 10,000 characters | x78000|tWorld-Wide WebWeek|x1081-3071|w(DLC)sn 95001277|w(OCoLC)32137924 |
y | MISC | Miscellaneous.
| y or 948, 958, 998 | libraries | Maximum 10,000 characters | y948|MARCIVE Comp, in 2022.12 |
z | CONT’D BY | Succeeding title, continued by, superseded by. | z or 785 | libraries | Maximum 10,000 characters | z78500|tInternet world (Westport, Conn. : 1998)|x1097-8291|w(DLC) 98660750|w(OCoLC)38306011 |
! | MARC Tag | Each field has a MARC tag that can be used to narrow down a search in Create Lists | ! or any other MARC tag | libraries | Limited to MARC tag and first indictor | !245|a !100|a |
^ | LINKED REC | URL associated with the bibliographic record. | ^ or 856 40 |u | libraries | Maximum 10,000 characters | 856 72 |uhttp://www.iii.com|zConnect to III |
8 | HOLD | Holds. Maintained by the system as items are requested by patrons and pages. | 8 | system | N/A | 8P#=116718, I#=1000357, P=12-21-12, NNB=12-25-13 (4 days), RLA =41, NNA=01-31-98, ST=0, TP=b, PU=main |
Variable-length Fields in Bibliographic Records for MLN2 Libraries
When choosing the Field for Create Lists, numbers are associated with the variable-length fields. Also, see information about Marmot cataloging standards and cataloging policies.
Field Number | Field | Description | Field Group Tag or Default MARC Tag | Data in Field Entered by | Limits | Examples |
| MARC Leader | A system-generated variable-length field that uses no indicators or subfield identifiers, that stores information about a bibliographic record and the record's structure. See Leader Field. | _ or LEADER | system/ libraries | N/A | #####nam 22#####Ia 4500 |
a | AUTHOR | Author
| 100 |a, 100 |e, 110 |a | libraries | Maximum 10,000 characters | a1001 |aThoreau, Henry David,|d1817-1862. |
b | OTHER NAME | A personal name heading that is equivalent to the heading contained in the 1XX field of the same record. | b or 700 | libraries | Maximum 10,000 characters | b7001 |aDiValentin, Maria Messuri,|d1911-|tSculpture for beginners. |
c | CALL # | Call number. | c or 090, 092, 099 | libraries | Maximum 10,000 characters | c092 |a621.381|bB TESLA |
d | SUBJECT | Subject.
| d or 600, 610, 630, 650, 651, 655/7, 6xx\7 | libraries | Maximum 10,000 characters | d650 0|aEnglish prose literature|xHistory and criticism. d650 0|aEnglish language|xStyle. |
e | EDITION | Edition. | e or 250 | libraries | Maximum 10,000 characters | e250 |a5th ed.,|bcomplete. |
f | TOC DATA | Table of contents data. | f or 690 | libraries | Maximum 10,000 characters | f690|Family Place Collection (MDE)
|
g | GOVT.DOC# | Government Document Number. SUDOCS number | g or 086 | libraries | Maximum 10,000 characters | g086|aLBE1/15.10/Mo.-Year/Mo.-Year|2codocs |
h | See also LIB HAS field in checkin record. | h or 85x/86x or 866-868 | libraries | Maximum 10,000 characters | h850 |a45-|b1965-|n[Microfilm=1-44 1921-1964] Per BR 1 .J65 h863 |avol.74:no.1 (Spring 1994)-vol.74:no.2 (Summer 1994) | |
i | ISBN/ISSN | Standard number. This is a standard identification number—often this field is re-named ISBN, ISBN/ISSN, or ISSN.
| i or 020, 022 | libraries | Maximum 10,000 characters | i020 |a0308101278;|a0308101731 (pbk.) |
k | CONTENTS | Listing of the table of contents in ISBD format.
| k or 505 | libraries | Maximum 10,000 characters | K5050 |[v. 1] Rocky Mountain National Park -- v. 2. Trails of the Front Range: Indian Peaks to Rogers Pass. |
l | LC CARD # |
| l or 010 | libraries | Maximum 10,000 characters | l010|2021922900 |
m | SUMMARY | A short objective summary of the item, often lifted from a publisher’s description, editing out biased language if necessary.
| m or 520 | libraries | Maximum 10,000 characters | m520|A doctor's memoir about his father's experience of dementia, and an overview of the history of and latest findings on the disease. |
n | NOTE | Free text note.
| n or 500, 538, 546, 590, 599 | libraries | Maximum 10,000 characters | n500 |a"Background information," an edited transcript of interviews between L. C. Lewin and "John Doe," pseudonymous group member who released the report: p. xvii-xxx. |
o | BIB UTIL# | Bibliographic Utility Number. The control number assigned by the organization creating, using, or distributing the record. For example, the OCLC, RLIN or UTLAS number. | o or 001 | libraries | Maximum 10,000 characters | o001 2505480 |
p | PUBLISHER | Publication information. If you can’t find the publisher easily, use [publisher not identified].
| p or 264\ 1|a, 264 \1 |b, 264 \1 |c, 264 \4 |c | libraries | Maximum 10,000 characters | p260 |aBloomington, Ill.,|bMcKnight & McKnight|c[1967] |
q | RELATED TO | Related work. | w or 787 | libraries | Maximum 10,000 characters | w7871 |tApplied economics. w7871 |tApplied financial economics. |
r | DESCRIPT | Description.
| r or 300, 336, 337, 338 | libraries | Maximum 10,000 characters | r300 |axx, 453, xvii p.|billus., maps, diagrs., plans.|c23 cm. |
s | SERIES | Series name.
| s or 490, 800, 830 | libraries | Maximum 10,000 characters | s4901 |aThe Civil War s830 0|aCivil War. |
t | TITLE | Title.
| t or 130, 245 |ab, 245|c, 245 |h, 245 | k | libraries | Maximum 10,000 characters | t24514|aThe talkative President;|bthe off-the-record press conferences of Calvin Coolidge.|cEdited by Howard H. Quint & Robert H. Ferrell. |
u | ADD TITLE | A title equivalent to the title in the t or 245 field of the same record.
| u or 240, 246 | libraries | Maximum 10,000 characters | u2463 |aEverybody's guide to small claims court. u2463 |aSmall claims court. |
v | OTHER # | Preceding title, continues, supersedes.
| v or 024 1\, 028 | libraries | Maximum 10,000 characters | x78000|tWorld-Wide WebWeek|x1081-3071|w(DLC)sn 95001277|w(OCoLC)32137924 |
x | CONTINUES | Preceding title, continues, supersedes. | x or 780 | libraries | Maximum 10,000 characters | x78000|tWorld-Wide WebWeek|x1081-3071|w(DLC)sn 95001277|w(OCoLC)32137924 |
y | MARC | Identifies the source of the number in the 001. Usually, SKY is for SkyRiver, but it may be a vendor or other code.
| y or 222, 865 40 |u, 948, 958, 995, 998 |
|
| y998|b0|c000411|dg|ea |f-|ieng|g2|hbc |
z | CONT’D By | Succeeding title, continued by, superseded by. | z or 785 | libraries | Maximum 10,000 characters | z78500|tInternet world (Westport, Conn. : 1998)|x1097-8291|w(DLC) 98660750|w(OCoLC)38306011 |
! | MARC Tag | Each field has a MARC tag that can be used to narrow down a search in Create Lists | ! or any other MARC tag | libraries | Limited to MARC tag and first indictor | !245|a !100|a |
^ | LINKED REC | URL associated with the bibliographic record. | ^ or 856 | libraries | Maximum 10,000 characters | 856 72 |uhttp://www.iii.com|zConnect to III |
8 | HOLD | Holds. Maintained by the system as items are requested by patrons and pages. | 8 | system | N/A | 8P#=116718, I#=1000357, P=12-21-12, NNB=12-25-13 (4 days), RLA =41, NNA=01-31-98, ST=0, TP=b, PU=main |
Leader Field
MARC records in the Sierra system use a LEADER field to store record length and structure information.
Each MARC record can contain only one LEADER field, a system-generated variable-length field that does not use indicators or subfield identifiers.
For a detailed description of the leader field in MARC records, see the MARC Standards publication by the Library of Congress. Leader fields are generally 24 bytes long (byte count 0 through 23). The first five bytes (0-4), right justified with zero fill, represent the logical record length. The record length includes the five-byte record length and the record terminator. Bytes 12 through 16 (from offset 0) contain the "base address," which specifies the first character position of the first variable length field and is equal to the sum of the lengths of the leader and the directory, including the field terminator at the end of the directory. This number is right justified with zero fill. (The base address minus one is evenly divisible by twelve.) Below is an example of a leader from a bibliographic record for a musical sound recording:
02096cjm 2200457Ia 4500
Because the LEADER field contains important information about the record, many field elements are protected, and some are masked from view, such as RECORD LENGTH and BASE ADDRESS. However, you can edit some of the field elements and have your changes validated by the system.
To view and edit a LEADER field:
Retrieve a bibliographic, authority, or checkin/holdings record.
Choose Edit.
Click the LEADER field.
Choose Edit | Expand Field.
Edit the elements you want by placing your cursor in the element and entering or deleting data.
Save the record when you finish making changes.
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