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Representation of DDC in MARC 21 Bibliographic Format: An Update

Representation of DDC in MARC 21 Bibliographic Format: An Update. Dewey Breakfast/Update ALA Annual Meeting July 11, 2009. Outline: 082, 085, 083. 082 field Dewey Decimal Classification Number (R): new subfields 085 Synthesized Classification Number Components

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Representation of DDC in MARC 21 Bibliographic Format: An Update

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  1. Representation of DDC in MARC 21 Bibliographic Format: An Update Dewey Breakfast/Update ALA Annual Meeting July 11, 2009

  2. Outline: 082, 085, 083 • 082 field Dewey Decimal Classification Number (R): new subfields • 085 Synthesized Classification Number Components • 083 Additional Dewey Decimal Classification Number • Discussion: 083

  3. MARC Bibliographic format: 082, 085, 083 MARC Proposal No. 2008-01 Submitted jointly by the Dewey editorial team, Deutsche Nationalbibliothek (DNB), Library of Congress, and OCLC Added to MARC 21 in Update No. 9 (October 2008) OCLC will implement in WorldCat in August 2009 http://www.loc.gov/marc/bibliographic/bd082.html http://www.loc.gov/marc/bibliographic/bd085.html http://www.loc.gov/marc/bibliographic/bd083.html

  4. 082 field Dewey Decimal Classification Number (R): new subfields $m - Standard or optional designation (NR) a (standard) b (optional) $q - Assigning agency (NR) Used with second indicator 4 (Assigned by agency other than LC)

  5. Example of 082 subfield $m 082 00 $a 843/.914 $2 22 $m a 082 04 $a C843/.54 $2 20 $m b Poulin, Jacques, 1937- Le Vieux Chagrin: Roman LCSH: French-Canadian fiction—20th century

  6. 085 Synthesized Classification Number Components (1) To show how a built Dewey number has been built and to specify the component elements Indicators: both undefined (##) Subfield Codes: $a - Number where instructions are found--single number or beginning number of span (R) $b - Base number (R) $c - Classification number--Ending number of span (R) $f - Facet designator (R)

  7. 085 Synthesized Classification Number Components (2) $r - Root number (R) $s - Digits added from classification number in schedule or external table (R) $t - Digits added from internal subarrangement or add table (R) $u - Number being analyzed (R) $v - Number in internal subarrangement or add table where instructions are found (R)

  8. 085 Synthesized Classification Number Components (3) $w - Table identification--internal subarrangement or add table (R) $y - Table number--internal subarrangement or add table (R) $z - Table identification (R) $6 - Linkage (NR) $8 - Field link and sequence number (R)

  9. Example of 085 field (1) 082 04 $8 1 $a 025.069291 $2 22 085 ## $8 1 $b 025.06 $a 025.06001 $c 025.06999 $s 9291 Web sites for genealogists LCSH: Genealogy—Computer network resources—Directories

  10. Example of 085 field (2) 082 04 $8 1 $a 025.069291 $2 22 085 ## $8 1 $b 025.06 $a 025.06001 $c 025.06999 $s 9291 025.06 Information storage and retrieval systems devoted to specific disciplines and subjects 025.06001-025.06999 Specific disciplines and subjects 929.1 Genealogy

  11. 083 Additional Dewey Decimal Classification Number (R) (1) To be used for Dewey numbers, including internal and external table numbers, added for subject access Indicators: First - Type of edition 0 - Full edition 1 - Abridged edition Second - Undefined # - Undefined

  12. 083 Additional Dewey Decimal Classification Number (R) (2) Subfield codes (selected): $a - Classification number (R) $c - Classification number--Ending number of span (R) $y - Table number--internal subarrangement or add table (R) $z - Table identification (R) $2 - Edition number (NR) $8 - Field link and sequence number (R)

  13. Example of 083 field: Table 2 notation 082 04 $a 725.17 $2 22 083 0# $z 2 $a 753 $2 22 Embassy Residences in Washington, D.C. LCSH: Embassy buildings—Washington (D.C.) 725.17 Official residences has the note “Including embassy, legation, consulate buildings” T2—753 Washington, D.C.

  14. Example of 083 field: Parts of a built number (1) 082 00 $a 338.4761510973 $2 22 083 0# $a 338.47 $2 22 083 0# $a 615.1 $2 22 083 0# $z 2 $a 73 $2 22 Pharmaceutical economics and policy LCSH: Pharmaceutical industry—United States

  15. Example of 083 field: Parts of a built number (2) 082 00 $a 338.4761510973 $2 22 083 0# $a 338.47 $2 22 083 0# $a 615.1 $2 22 083 0# $z 2 $a 73 $2 22 338.47 Economics of services and specific products 615.1 Pharmaceutical drugs T2—73 United States

  16. Example of 083 field: Multiple topics (1) True Stories of C.S.I.: The Real Crimes behind the Best Episodes of the Popular TV Show LCSH: Crime—United States—Case studies Murder—United States—Case studies Criminal investigation—United States—Popular works CSI: crime scene investigation (Television program)

  17. Example of 083 field: Multiple topics (2) 082 00 $a 364.10973 $2 22 083 0# $a 363.250973 $2 22 083 0# $a 791.4572 $2 22 364.1 Criminal offenses 363.25 Detection of crime (Criminal investigation) 791.4572 Single television programs

  18. Question for discussion How might you use the 083 field?

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