Contents   Fixed field   Access points   0xx   1xx   2xx   3xx   4xx   5xx   6xx   7xx   8xx   9xx   Control subfields

210  Abbreviated Title (R)

Record Type


Input Standards

Field (Full/Minimal)
1st Indicator Title added entry
0 No added entry
1 Added entry
2nd Indicator Type
blank character Abbreviated key title
0 Other abbreviated title
Subfields (R=Repeatable NR=Nonrepeatable) Input Standards (Full/Minimal)
ǂa Abbreviated title (NR) Mandatory/Mandatory
ǂb Qualifying information (NR) Required if applicable/Required if applicable
ǂ2 Source (R) Required if applicable/Required if applicable
ǂ6 Linkage (NR) System supplied/System supplied
ǂ7 Data provenance (R) Optional/Optional
ǂ8 Field link and sequence number (R) Optional/Optional


The title of an item as abbreviated for purposes of indexing or identification. An abbreviated key title is supplied by ISSN centers based on field 222. Other abbreviated titles are supplied by cataloging agencies, including abstracting and indexing services. The abbreviated title is either created by the agency supplying the field or taken from the item.

For information on punctuation, see the Punctuation section below.

1st Indicator

Title added entry. A value that indicates whether an access point is to be generated for the abbreviated title.


No added entry. No title access point is to be generated.


Added entry. A title access point is to be generated.

2nd Indicator

Type. A value that indicates the type of abbreviated title.

blank character

Abbreviated key title. The abbreviated title is based on the title contained in field 222. The title is assigned by national centers under the auspices of the ISSN Network in accordance with ISO 4, Documentation–Rules for the Abbreviation of Title Words and Titles of Publications and List of Serial Title Word Abbreviations. The abbreviated key title is agency-assigned.


Other abbreviated title. The abbreviated title is other than an abbreviated key title.


ǂa Abbreviated title

The complete abbreviated title.

210 0   Manage. improve. cost reduct. goals
222   0 Management improvement and cost reduction goals
ǂb Qualifying information

The qualifying information. When qualifying information is present in the key title, the same information is added to field 210 in the appropriate abbreviated form.

210 0   Plant prot. bull. ǂb (Faridabad)
222   0 Plant protection bulletin ǂb (Faridabad)
ǂ2 Source

The code for the source of the abbreviated title, if the source is known. Use when the 2nd indicator value is 0. Also use when the 2nd indicator value is blank and another abbreviated title list uses the same abbreviation as the abbreviated key title. See Abbreviated Title Source Codes.

For information about subfield ǂ2, see Control Subfields.

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 manually add subfield ǂ6. For more information about subfield ǂ6, see Control Subfields.

ǂ7 Data provenance

For information about subfield ǂ7, see the Data Provenance Subfields section of Control Subfields.

ǂ8 Field link and sequence number

For information about subfield ǂ8, see Control Subfields.


For records containing punctuation, follow these instructions:

  • Enclose the text in subfield ǂb in parentheses
  • 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
210 0   Ecosphere ǂb (Wash. D.C.)

For records containing minimal or no punctuation, include incidental punctuation needed within any subfields. Otherwise, omit the punctuation outlined above.

210 0   Ecosphere ǂb Wash. D.C.

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


For indexing and searching information, see Searching WorldCat Indexes, field 210.


For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 210.

This page last revised: January 10, 2023