| First Indicator | Second Indicator |
|---|---|
| Title added entry 0 - No added entry 1 - Added entry |
Type # - Abbreviated key title 0 - Other abbreviated title |
| Subfield Codes | |
|---|---|
|
|
Title as abbreviated for indexing or identification. An abbreviated key title is supplied by ISSN centers, based on the Key Title (Field 222). Other abbreviated titles are supplied by cataloging agencies, including abstracting and indexing services.
Abbreviated title may be created by the agency supplying the field or it may be taken from the piece.
First Indicator - Title added entry
Whether an added entry is to be generated for the title.
No title added entry is to be generated.
Title added entry is to be generated.
Second Indicator - Type
Type of abbreviated title.
Abbreviated title is based on the title contained in field 222 (Key Title). It 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 an agency-assigned data element.
Abbreviated title is other than an abbreviated key title.
$a - Abbreviated title
Complete abbreviated title.
| 210 | 0#$aManage. improv. cost reduct. goals | ||||||||
| 222 | #0$aManagement improvement and cost reduction goals | ||||||||
| 210 | 0#$aSurg. clin. North Am. | ||||||||
| 222 | #4$aThe Surgical clinics of North America | ||||||||
$b - Qualifying information
Abbreviated form of the parenthetical qualifying information contained in the key title (field 222).
When qualifying information is present in the key title, the same information is added to field 210 in the appropriate abbreviated form. The qualifier is always enclosed in parentheses.
| 210 | 0#$aPlant prot. bull.$b(Faridabad) | ||||||||
| 222 | #0$aPlant protection bulletin$b(Faridabad) | ||||||||
| 210 | 0#$aAnnu. rep. - Dep. Public Welfare$b(Chic.) | ||||||||
| 222 | #0$aAnnual report - Department of Public Welfare$b(Chicago) | ||||||||
$2 - Source
MARC code that identifies the source list for the abbreviated title, if the source is known. Used primarily when the second indicator position contains value 0. It may also be added when the second indicator contains value blank and another abbreviated title list uses the same abbreviation as the abbreviated key title.
Code from: Abbreviated Title Source Codes.
| 210 | 00$aJAMA$2dnlm | ||||||||
| 210 | 0#$aJAMA j. Am. Med. Assoc. | ||||||||
$6 - Linkage
See description of this subfield in Appendix A: Control Subfields.
$7 - Data provenance
See description of this subfield in Appendix J: Data Provenance Subfields.
$8 - Field link and sequence number
See description of this subfield in Appendix A: Control Subfields.
Punctuation - Field 210 does not end with a mark of punctuation unless the last word in the field is an abbreviation, initial/letter, or data that ends with a mark of punctuation. See also subfield descriptions for punctuation information.
Records created prior to the definition of the first indicator in 1977 may contain # meaning undefined in this position.
When the field was redefined to include non-key title abbreviations in 1998, value blank was redefined to identify key titles. Value blank in pre 1998 records also identifies key titles since only key title abbreviations allowed in the field before that date.