520
505
506, 540
link to a uniform title authority record.
245$b
All characters, including space, up to the first sort character.
if this attribute is omitted, then 245$a $b $n and $p
210
242
246
240, 130
Value is from the list at
http:/www.loc.gov/marc/sourcecode/authorityfile
link to a name authority record.
If type attribute omitted, name is unstructured.
245$c
100, 700 $u
One or both elements, 'code' and 'text', may be supplied. 'code' must accompanied by an authority attribute, and 'text' may (but need not) be accompanied by an authority attribute.
100, 110, 111, 700, 710, 711 $4
The value of this attribute is from list at http://www.loc.gov/marc/sourcecode/relators/relatorsource.html. If the value is "marcrelator" the content is from list at http://www.loc.gov/marc/sourcecode/relators/relators.html
100, 110, 700, 710 $e
(As above for 'code') The value of this attribute is from list at http://www.loc.gov/marc/sourcecode/relators/relatorsource.html. If the value is "marcrelator" the content is from list at http://www.loc.gov/marc/sourcecode/relators/relators.html l (however in this case, for text, authority is optional).
100, 700
110, 710.
111, 711
Value is from the list at
http:/www.loc.gov/marc/sourcecode/authorityfile
LDR/6
008/26, 008/33, 008/29, 008/30, 008/24+, 008/21+, 008/25, 655
Value of this attribute is from list at: http://www.loc.gov/marc/sourcecode/genre/genre.html. If the value is 'marcgt' then the content is from list at http://www.loc.gov/marc/sourcecode/genre/genrelist.html
008/15-17, 044
260 $a
260 $b
250
LDR/7
310
008/35-37, 041
008/23 or 29, 256
The value of this attribute is from the list at http://www.loc.gov/marc/sourcecode/form/formsource.html.
If the value of this attribute is "marcform", the content should be one of the following:
"braille", "electronic", "microfiche", "microfilm", "print"
007/13CF
856 $q
300 $a and $c, and 306 $a
008/22, 521
The value of this attribute is from the list at http://www.loc.gov/marc/sourcecode/target/targetsource.html.
If the value of this attribute is "marctarget", the content should be one of the following:
"adolescent", "adult", "general", "juvenile", "preschool", "specialized"
650, 6xx $x
651, 6xx $z
6xx $y
630
600, 610, 611
752
255
Value is from the list at http:/www.loc.gov/marc/sourcecode/subject
050, 082, 080, 060, 086, 084
Value of this attribute is from the list at http:/www.loc.gov/marc/sourcecode/classification
edition qualifies authority, for authorities that have editions, e.g. DDC.
link to record for item.
if type is omitted: 787, 700, 710, 711, 730 with $t and ind2 = blank
780
785
534, 786
772, 773
770, 774, 700, 710, 711 with $t and ind2 = 2
490, 440, 760, 800, 810, 811, 830
775
776
010, 020, 022, 024, 028, 037, 856
Suggested values include (but are not limited to): "doi", "isbn", "isrc", "ismn" "issn", "issue number", "istc", "lccn", "local", "matrix number", "music publisher", "music plate", "sici", "uri", "upc", "videorecording identifier", "stock number"
856$3
$z in 0XX fields
852 $a $b $j $e
Value of this attribute is from list at: http://www.loc.gov/marc/sourcecode/organizations. If the value is "marcorg", see: http://www.loc.gov/marc/organizations
852$3
040 $a, $d
008/00-05
005
001
Who supplied the identifier. From 003
040$b
for local extensions
If the link is supplied it is in lieu of or in addition to the content.
260 $c, 008/07-14, 033
if omitted, free text is assumed
So that a particular date may be distinguished among several dates. Thus for example when sorting MODS records by date, a date with keyDate="yes" would be the date to sort on. It should occur only for one date at most in a given record.
ISO 639-2b