Cheat Sheets

Mapping & Indexing


ILS MAPPING & INDEXING J. McRee Elrod 17 February 2013

Mapping for OPAC display sometimes needs to be adjusted locally. Some
mapping supplied by vendors has problems.

Following are fields to check for. Unless otherwise noted, map to the
named OPAC field given beside the field number. Where no subfields are
given, map all. There are no standards for these labels, so the names in
software systems vary. Some software will allow you to change the

A strong case can be made for suppressing the labels, and displaying
the bibliographic information in ISBD order with ISBD punctuation,
like the unit catalogue card. This creates more space for
bibliographic information. The labels are often misleading. A 100
labeled Author may be a composer, or a criminal defendant, for
example. A 700 labeled Added author may be a translator, an
illustrator, and editor, or even a Festschrift honouree.

Fields which are not mapped may simply be left in the record. The
only fields which should be deleted are those which apply to a
particular copy in a record acquired from an individual library's

*means the field is indexed

001 Record sequence number* This is a local field supplied by your
software. The previous 001 may be moved to 035. 035 is usually not
mapped nor indexed.

010 LCCN*

020 ISBN*

022 ISSN*

Many do not map 050/055/060/082, unless one is used as the local call
number rather than 090 (or OCLC's 092). Some map them to "Knowledge
numbers" or indexes named for the classification system, for class
searching. This can be very useful.

035 Former record control number(s)*
Not always indexed. Cf. 776$w.

050 LCC*

055 LCC assigned in Canada, or Canadian class number used with LCC*

060 NLM classification*

082 DDC*

090$a Local call number*
This field varies; some libraries use a different 09X, or a number in
the 8XX or 9XX range. Some libraries use the 050/055/060/082 fields if
present rather than entering an 09X. Cf, 852 $h$i.

UTLAS 090 subfield coding still used by some Canadian libraries:

090$b Location $f Sublocation.
Primarily in Canada. Field and subfield vary with system. Cf. 852$a$b.

090$c Copies $d Volumes
Primarily in Canada. Field and subfields vary with system. Usually
mapped to "Holdings"; At SLC $c has print constant "c." unless there is
text other than numbers; $d has print constant "v." unless there is
text or a four digit number (year). Cf. 852$t$i.

092 OCLC local DDC call number*

Normally there is one 090 per title, but one 852 per physical item.

100 Personal author*

110 Corporate author*

111 Conference*
100, 110, and 111 are usually combined in a "Author" search, along with
700, 710, 711, 800, 810, and 811.

130 Uniform title* (as main entry)

240 Uniform title* (as filing title after 1XX),
Indexing 240 as title will result in many unneeded index entries,
e.g., "Works", But distinctive uniform titles are needed, e.g.,
"Romeo and Juliet". There is no indicator to distinguish form from
distinctive uniform titles.

245 Title
$a Title proper*
$h[general material designation]
$b subtitle or parallel title
$n number
$p Part

Map to "Title". While 245$a$h$b$h$n$p are mapped to display as
"Title", it's best to index only 245$a to determine the order of
hitlists. If the other subfields are included, the title proper may
display far down the hitlist from where expected by patrons. Some
libraries which index the whole string have found it necessary to
enter a 246 for the title proper alone, when there is a subtitle or
parallel title.

If RDA/MARC21 fields 336 and 338, content and carrier, are displayed
elsewhere than following 245$a, 245$h should be displayed in that
same location. ISBD has content and carrier in Area 0, advocating early

245$c Statement of responsibility.
It should be included in the keyword search, in part because of
differences in spellings of names between statements of responsibility
and entries.

246 Alternate title*
When 1st indicator is 1, good systems display a note and vary the name
of this field based on the 246 2nd indicator: 4 = Cover title, 5 = Added
title page title, 6 = Caption title, 7 = Running title, 8 = Spine title.
Other sources of title are recorded in $i (to be printed in the
note) before the title in $a, with 1st indicator 1. The 246 should be
indexed by the title search along with 130, 240, 245, 730, and 740.
Many libraries include 505$t, 7XX$t, 8XX$t, 780$t, 785$t, 440, 830, and
840 in the title search.

247 Previous title.*
May be found in older records for serials entered under most recent
title. Used in current records for loose-leaf services and websites
which have changed title. Map to "Title".

250 $a Edition $b Statement of responsibility for edition.
Include in keyword search.

[Between 250 and 260 there are some media specific fields: 254 music, 255
maps, 256 computer files; if you have those media, those fields should
be mapped to "Media specific information". See also 362.]

260$a Place $b Publisher $c Date $e Place $f Manufacturer $g Date
Some map these to different named fields, others to one called
"Publishing information" or "Imprint".

Beginning September 1, 2002, it became possible to have multiple
imprints, with original publisher having 1st indicator blank,
intermediate publisher having first indicator 2, and current or last
publisher having 1st indicator 3. Subfield $3 (entered before $a)
gives the dates covered by that imprint. Since this does not reflect
AACR2 practice (it was considered and rejected), it does not seem to
be being applied. First publisher of serials is in 260$b, later ones
in 500. Current publisher of an integrating resource is in 260$b,
earlier ones in 500.

264 Detailed imprint. in RDA records mapped to display.

264 1 $a$b$c replaces 260 $a$b$c Publisher

264 2 $a$b$c Distributor

264 3 $a$b$c replaces 260 $e($f$g) Manufacturer

264 4 $ccopyright date

300 Collation $a Extent and smd $b Illustration, etc. $c Size $e
Accompanying material

Since 300$a may contain pagings, volumes, or other extent, as well as
specific material designation, it is probably best not to break this
field up with labels for its parts.

336-338 Content, Media type, and Media Carrier
These three RDA/MARC fields replace 245$h general material designation,
and [338 : 336] may be displayed as such, to have consistent AACR2/RDA
display. If 336 and 338 are displayed elsewhere, 245$h should be mapped
to the same display area.

336 Content*
May be mapped to display after 245$a as "[ : ]", or at head of all data; [volume : text' need not be displayed.
If more than one term, separate by commas.

Field 336 could be included in a genre index with 338, 245$h, 655, and
6XX$v, but it is not important. Some terms, e.g., "text" would be

337 Media type
Need not be displayed

338 Carrier*
May ve displayed after 245$a as "[carrier term>" : ]",
or at head of all other data' [volume : text] need not be displayed.
If more than one term, separate by commas.

Carier term in 338 may be indexed in a genre index along wtih 336, 655,
245$h, and 6XX$v. Some terms, e.g., "volume" would be useless.

362 Serial numbering/dates
May be displayed between 25X and 260, or as first note.

400 Obsolete series under author.
Map as 490/800.

410 obsolete corporate series entry.
Map as 490/810.

440 $a Series* $v numbering.
Field 440 is now obsolete. Where present in older records, it should
be mapped and indexed as 490/830.

490 $a Series statement $v numbering.
Some libraries do index 490 0 (not traced), but not 490 1 (traced in 8XX)
because the 490 form would duplicate the 830 tracing, or possibly a cross
reference to it.

All 490s should be mapped to display after 300 collation. See also 830.

All 5XX fields may simply be mapped to "Notes". Some prefer to break
out some notes with their own labels as follows. The list is not
exhaustive. Those marked "+" are more likely to be separately mapped.
All 5XX should be included in keyword search.

5XX Notes
All notes should be mapped to display. It is simpler to display in order
of field numbers. Notes are indexed by keyword.

500 General note

501 With note

502 Thesis note

503 Bibliographic history (obsolete)

505 Contents
Some newer enhanced 505 contents notes have subfields, e.g., $t for
title, which could be mapped to the title index; the $t would need to be
after any initial article for this to be effective. Some systems display
text based on the 1st indicator: 0 = Contents, 1 = Incomplete
contents, 2 = Partial contents.

506 Restrictions on access
Restrictions on use in 540.

507 Map scale

508 Noncast credits

510 Indexing

511 Performers

515 Numbering peculiarities

518 Date, time and place of event

520 Summary

521 Target audience

525 How supplemented

530 Other physical forms
May have a clickable $uURL

536 Funding information

538 Systems details+
Some map 538 to be first note.

546 Language(s) of text

550 Issuing body

555 Cumulative index

580 Relation to other publications

588 Source of description

All 6XX fields have a second indicator for the type of subject heading:
0 = LCSH, 1 = LC Children's, 2 = Mesh, 3 = NAL, 4 = Local, 5 = NLC, 6 =
NLC French, 7 = Other (with source in $2), 8 = Local French, 9 = RVM.
You should map only the one(s) you want, or if that can't be done, delete
those you don't want. All subfields except $2 should be mapped, in the
order in which they appear. In some OPAC software, the repeating field
to be used for 6XX headings is called DESC or Descriptor rather than

Not all these subfields appear in each 6XX, but if they must be
individually listed, it is simplest to list all for each. Remember for
600, 610, and 611 you may have an author/title subject heading, so you
may wish to also index $t and subsequent fields as subject titles.


600 Personal subject*

610 Corporate subject*

611 Conference subject*

630 Title subject*

650 Subject*

651 Geographic subject*

655 Genre heading*

Still often mapped to Subject index, but intended for a possible future
genre index, which might also include 245$h, 336, 338, and 6XX$v.

695 Key words in Catss

Used by SLC for the titles of papers given at Canadian law symposia.
Titles are in $a, and authors in $x. If wished, 695$a may be mapped to
title index, and 695$x to author index. In most systems, 695, like
unenhanced 505, would only be included in a keyword index which browses
the entire record.

All the subdivisions listed for 6XX except $v should also be mapped
for 7XX. 700, 710, 711, 780, and 785. These may be author/title
entries; you may wish to map $t in 700-711 and 800-811 fields to the
title index as well.

700 Personal added author* Map to author index. Some map 700$t to
title index.

710 Corporate added author* Map to author index. Some map 710$t to
title index.

711 Conference added entry* Map to author index. Some map 711 $t to
title index.

730 Uniform title* Map to title index.

740 Title added title*
Used for related and analytical titles. Map to title index.

776$3 Record control number of other physical form.
Used for LCCN; index with 010
Also used for other control numbers, so may be indexed with 035

776$x ISSN of other physical form
Index with 022

766$z ISBN of other physical form
Index with 020

780$t Former title*
If 1st indicator is 0, this should also produce a note based on 2nd
indicator: 0 = Continues, 1 = Continues in part, 2 = Supersedes, 3 =
Supersedes in part, 5 = Absorbed, 7 = Separated from. Map to title

785$t Succeeding title*
If lst indicator is 0, this should also produce a note based on
2nd indicator: 0 = Continued by, 1 = Continued in part by, 2 =
Superseded in part by, 4 = Absorbed by, 5 = Absorbed in part by, 8 =
Changed back to. Map to title index.

8XX All 8XX should be mapped to the appropriate index(es)
(800/810/811 to author, 8XX$t/830/840 to title), and/or a series
index. None need be displayed except following 6XX and 7XX as
"tracings" in a full record display.

800 Personal series tracing* $a Author $t Title $x ISSN $v number

810 Corporate series tracing* $a Corporate author $t Title $x ISSN
$v number.

811 Conference series tracing* $a Conference author $t Title $x
ISSN $v number.

830 Series title tracing* $a Title $x ISSN $v number

840 Series title tracing* $a Title $x ISSN $v number. Now
obsolete and not in current records.

852 Holdings
Normally there is one 852 per physical item.
Most common subfields:
$a Location
$b Sublocation
$h Classification
$i Cutter, year, volume
$k Call number prefix
$m Call number suffix
$p Bar code or accession number
$t Copy number
$u Local URL

852 $k$h$i$m may be combined as Call number*

856$u External URL for electronic resource. Displayed a live link
at bottom of display. May contain other subfields, such as $z public
note, displayed before $u.

9XX Local fields including entries in other languages. Usually not