647 Subject Added Entry

Field definition and scope:

Field 647 contains a subject added entry in which the entry element is a named event.

Subject added entries are assigned to a bibliographic record to provide access according to generally accepted thesaurus-building rules (e.g., Faceted Application of Subject Terminology (FAST)). Field 647 may be used by any institution assigning subject headings based on the lists and authority files identified in the second indicator position or in subfield $2 (Source of heading or term).

Named events are those which cannot be regarded as responsible agents, e.g., battles, earthquakes, famines, financial crises, fires, hurricanes, riots, strikes, volcanic eruptions, wars, etc.

Named events which can be regarded as responsible agents such as meetings or conferences as well as athletic contests, competitions, expeditions, expositions, fairs, festivals, sports events, tournaments, etc., are recorded in field 611.

The National level record requirement for this field is Mandatory if applicable.

Field 647 is repeatable.

Guidelines for applying content designators:

For indicator and subfield code definitions and examples, National-level (NLR) and Minimal-level (MLR) record requirements, and designator repeatability, see table below:

Position	Description	NLR	MLR	Repeatability
Field 647	Subject Added Entry - Named Event	A	O	R
Indicator:
First	Undefined; contains a blank	M

Second	Thesaurus	M
0	Library of Congress Subject Headings	A
1	LC subject headings for children's literature	A
2	Medical Subject Headings	A
3	National Agricultural Library subject authority file	A
4	Source not specified	A
5	Canadian Subject Headings	A
6	Répertoire de vedettes-matière	A
7	Source specified in subfield $2	A

Subfield code:
$a	Named event	M	O	NR
$c	Location of named event	A	O	R
$d	Date of named event	A	O	NR
$g	Miscellaneous information	A	O	R
$v	Form subdivision	A	O	R
$x	General subdivision	A	O	R
$y	Chronological subdivision	A	O	R
$z	Geographic subdivision	A	O	R
$0	Authority record control number or standard number	O	O	R
$1	Real World Object URI			R
$2	Source of heading or term	A	O	NR
$3	Materials specified	O	O	NR
$6	Linkage	A	O	NR
$8	Field link and sequence number	O	O	R

Input conventions:

Punctuation

Spacing

Display constant

Content designator history:

Field 647 - Subject Added Entry - Named Event [new, 2016]

Subfield $1 - Real World Object URI [new, 2017]