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251  Version Information (R)

Record Type

BIB

Input Standards

Required if applicable/Required if applicable
1st Indicator  Undefined
blank character Undefined
2nd Indicator  Undefined
blank character Undefined
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards
ǂa Version (R) Mandatory/Mandatory
ǂ0 Authority record control number or standard number (R) Optional/Optional
ǂ1 Real World Object URI (R) Optional/Optional
ǂ2 Source (NR) Required if applicable/Required if applicable
ǂ3 Materials specified (NR) Optional/Optional
ǂ6 Linkage (NR) System supplied/System supplied
ǂ8 Field link and sequence number (R) Optional/Optional

Definition

Information relating to the version of a resource, preferably taken from a controlled vocabulary.

For information on punctuation, see the Punctuation section below.

Guidelines

This field is intended for standardized identification, preferably using a controlled vocabulary, of the pre-publication, published, and post-publication versions of resources that include but are not limited to books, chapters of books, technical reports, conference papers, and articles in both tangible and digital form. The terms used in this field specifically identify and distinguish the various states in which a resource may exist. These include such states as author’s originals, drafts, submitted manuscripts, proof versions, corrected versions, accepted manuscripts, and preprints. Field 251 does not include numerical version designations or statements of responsibility.

Use field 250 for edition statements that are transcribed from the resource or that are supplied by the cataloger under the provisions of RDA 2.5.1.4 or AACR2 LCRI 1.2B4, for manifestations known to contain significant changes or differences from other editions.

1st Indicator

Undefined. The 1st indicator position is undefined and contains a blank.

blank character

Undefined

2nd Indicator

Undefined. The 2nd indicator position is undefined and contains a blank.

blank character

Undefined

Subfields

 
ǂa Version

Information relating to the version of a resource, preferably taken from a controlled vocabulary.

251     Author's original
251     Draft
251     Preprint
ǂ0 Authority record control number or standard number

For information about subfield ǂ0, see Control Subfields.

ǂ1 Real World Object URI

For information about subfield ǂ1, see Control Subfields.

ǂ2 Source

Identification of the source of the term used to record the version information.

251     Author's original ǂ2 [version term source code]
251     Draft ǂ2 [version term source code]
ǂ3 Materials specified

For information about subfield ǂ3, see Control Subfields.

251     ǂ3 Student workbook ǂa Draft ǂ2 [version term source code]
ǂ6 Linkage

Data that link fields when non-Latin script is entered. This subfield is system supplied and does not appear in OCLC online displays. Do not add subfield ǂ6. For more information about subfield ǂ6, see Control Subfields.

ǂ8 Field link and sequence number

For information about subfield ǂ8, see Control Subfields.

Punctuation

For records containing or omitting punctuation, follow these instructions:

  • Include incidental punctuation needed within any subfields, e.g., commas, periods (following abbreviations or initials), etc.
  • Omit punctuation preceding each subfield unless the preceding subfield ends with an ellipsis, exclamation point, hyphen, period (following an abbreviation or initial), question mark, closing bracket, or closing parenthesis
  • Omit the terminal period at the end of the field unless the last word is an abbreviation or initial
251     ǂ3 Executive summary ǂa Preliminary draft ǂ2 [version term source code]

For more information on punctuation, including OCLC policy, see section 2.8, Punctuation.

Indexing

Field 251 is not indexed.

This page last revised: September 12, 2019