Step 2.4

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Step 2.4: Subfield Updates & Deletes

Rda2-1.png

Subfield Code Updates Table

MARS 2.0 converts these subfield codes:

Tags From To
024 $b $d
050 $d $a
111 $b $n
242, 245, 246, 247 $d $n
242, 245, 246, 247 $e $p
411, 611, 711, 811 $b $n

Subfield Deletes Table

MARS 2.0 deletes these subfields:

Tags Subfield
052 $c
100, 110, 111, 130, 240 $h
100, 110, 111, 130, 240, 247 $w
400, 410, 411 $w
500 $l, $x, $z
600, 610, 611, 630 $h
600, 610, 611, 630, 650, 651 $w
700, 710, 711, 730 $h
700, 710, 711, 730 $w
760, 762, 765, 767, 770 $q
772, 773, 774, 775, 776 $q
776, 777, 780, 785, 786, 787 $q
800, 810, 811, 830 $w
830 $h, $x
850 $b
850 $d
850 $e

Relator $e Deletions

Current cataloging practice restricts the use of Relator Term $e subfields in 100 Main Entry and 700 Added Entry-Personal Name fields. A common exception is the continued use of the relator term ill. for illustrators. Since there are many variants of ill. our MARS 2.0 software will look for these as well.

Relator terms table

MARS 2.0 deletes $e and its data in fields 100 and 700 if it contains one of these Relator Terms. If not found in this list, the information remains unchanged:

arr. ed. joint ed.
author editor & translator joint editor
comp. & arr. editor and translator joint tr.
comp. & tr. editor jt. auth.
comp. and arr. joint auth. jt. author
comp. and tr. joint author jt. ed.
comp. joint authors tr. & ed.
compiler joint comp. tr. and ed.
ed. & arr. joint compiler tr.
ed. & tr. joint ed. & tr. trans.
ed. and arr. joint ed. and tr. translator
ed. and tr.

Terms table for “ill.” changes

MARS 2.0 also changes the following variations to ill. in $e in fields 100 and 700:

comp. & illus. ed. and illus. jt. illus
comp. & ill. ed. and ill. jt. ill.
comp. and illus. ill tr. & illus.
comp. and ill. illus tr. & ill.
ed. & illus. illustrator tr. and illus
ed. & ill. joint illus tr. and ill.

Note: These are AACR2 tables. Some or all entries within RDA tables may be different. RDA processing options can be found in our separate MARS 2.0 guide.

043 Subfield validation

MARS2.0 processing will validate the coding within the 043$a. Any coding that is obsolete and has a designated replacement, will be updated. Any coding that is obsolete but does not have a replacement code will be left as is. Coding is kept up to date through the use of the |MARC Code List for Geographic Areas

links

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