International
Dewey Users
Meeting
16 August 2011
IFLA
Updates to MARC 21 Formats
San Juan
Joan S. Mitchell
Editor in Chief, DDC
OCLC
mitchelj@oclc.org
Outline
Proposal No. 2011-11: Addition of 1st Indicator Value 7 in DDC
Number Fields
Registry of DDC Editions
Proposal No. 2011-10: Geographic Codes in Classification Records
Addition of 1st Indicator Value 7 in DDC
Number Fields (1)
MARC 21 Classification Format:
084 - Classification Scheme and Edition (NR)
First Indicator - Type of edition
0 - Full
1 - Abridged
8 - Other
Addition of 1st Indicator Value 7 in DDC
Number Fields (2)
MARC 21 Bibliographic Format:
082 - Dewey Decimal Classification Number (R)
First Indicator - Type of edition
0 - Full
1 - Abridged
Addition of 1st Indicator Value 7 in DDC
Number Fields (3)
MARC 21 Bibliographic Format:
082 - Dewey Decimal Classification Number (R)
First Indicator - Type of edition
0 - Full
1 - Abridged
7 – Other edition specified in subfield $2
MARC 21 formats and fields impacted:
Bibliographic Format (082, 083), Authority Format (082, 083),
Community Information Format (082)
Registry of DDC Editions
English-language standard editions:
$2 [edition number]
Translations of standard editions
$2 [edition number / MARC language code]
Translations not tied directly to standard editions
$2 [edition number or other identifier / MARC language code]
Registry of DDC Editions:
MARC 21 Examples (1)
Number assigned by LC using DDC 22:
082 00 $a 839.82/374 $2 22
Number assigned by LC using Abridged Edition 14:
082 10 $a 839.82 $2 14
Registry of DDC Editions:
MARC 21 Examples (2)
Number assigned by the University of Oslo using DDC 22:
082 04 $a 839.82374 $2 22 $q NOOU
Number assigned by the National Library of Sweden using
WebDewey (SV):
082 04 $a 839.82374 $2 22/swe $q SE-LIBR
Number assigned by the National Library of Norway using DDK 5:
082 74 $a 839.82 $2 5/nor $q NO-OsNB
Registry of DDC Editions:
Dewey URI Examples (as in Dewey.info)
English-language standard editions
http://dewey.info/class/839/e22/about.en
http://dewey.info/class/839/a14/about.en
Translations of standard editions
http://dewey.info/class/839/e22/about.sv
Translations not tied directly to standard editions
http://dewey.info/class/839/x5/about.no
Geographic codes in classification records (1)
The following codes for geographic data in the Authority Format
were approved for inclusion in the Classification Format:
• 034 - Coded Cartographic Mathematical Data
Coordinates of the area described in the record
• 043 - Geographic Area Code
Code of the entity in the 1XX field
Geographic codes in classification records (2)
034 ## $d W0140000 $e W0140000 $f N0140000 $ g N0140000
$2 geonames
043 ## $a f-sg--153 ## $z 2 $a 663 $z 2 $e 66 $h Geographic Areas, Historical
Periods, Biography $k Specific continents, countries, localities;
extraterrestrial worlds $k Modern world; extraterrestrial worlds
$k Africa $k West Africa and offshore islands $j Senegal