Library of Congress >> MARC >> Authority >> 01X-09X  >> 046

046 - Special Coded Dates (R)

MARC 21 Authority - concise
April 2015

Dates that are associated with the entity described in the record. These include:

For a person: a person's date of birth, date of death, and the date or date range of the person's period of activity.

For a corporate body: a date or range of dates on which a conference, etc., is held, or a date with which the corporate body is otherwise associated (e.g., date of establishment, date of termination, period of activity).

For a family: a significant date associated with the family.

For a work or expression: the earliest date associated with the work or expression.

The date and time are recorded according to Representations of Dates and Times (ISO 8601) in the pattern yyyy, yyyy-mm, or yyyymmdd (4 for the year, 2 for the month, and 2 for the day) unless subfield $2 (Source of date) specifies another date scheme.


First - Undefined
# - Undefined
Second - Undefined
# - Undefined

Subfield Codes

$f - Birth date (NR)
$g - Death date (NR)
$k - Beginning or single date created (NR)
$l - Ending date created (NR)
$o - Single or starting date for aggregated content (NR)
$p - Ending date for aggregated content (NR)
$q - Establishment date (NR)
$r - Termination date (NR)
$s - Start period (NR)
$t - End period (NR)
$u - Uniform Resource Identifier (R)
$v - Source of information (R)
$2 - Source of date scheme (NR)
Source of the date scheme used in the field if not in the form yyyymmdd as specified in subfield $f (Birth date). Code from: Date and Time Scheme Source Codes.
$6 - Linkage (NR)
See description of this subfield in Appendix A: Control Subfields.
$8 - Field link and sequence number (R)
See description of this subfield in Appendix A: Control Subfields.


046 ##$f1931
100 1#$aMunro, Alice,$d1931-
046 ##$f19360505
100 1#$aSmith, John,$d1936 May 5-
046 ##$f1899$g1961
100 1#$aHemingway, Ernest,$d1899-1961
046 ##$k1985$l9999$o1800$p1899
046 ##$k1994$o0203$p1486
046 ##$k2006$o1932$p1940
046 ##$q1977
110 2#$aDouble Image (Musical group : 1977-)
046 ##$q1970$r1972
110 2#$aBrigham Young University.$bDepartment of Education (1970-1972)
046 ##$s1925$t1979
100 3#$aPahlavi (Dynasty : 1925-1979)
046 ##$f1831?$2edtf
100 1#$aSmith, James,$dborn 1831?

Library of Congress >> MARC >> Authority >> 01X-09X  >> 046
Contact Us