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Machine Readable Cataloging (MARC) 21
Michelle AndersonLindsay Berry
Dorothy HirschLI 804
MARC 21
What MARC is How MARC was developed How MARC is used The future of MARC Our evaluation of MARC
What is MARC 21?
Stands for MAchine Readable Cataloging Catalog record includes four things:
› Description of the item› Main entry and added entries› Subject headings› Classification or call number
An example of a MARC record:
What does all the coding mean? Let’s take a closer look.
More on MARC
Library of Congress developed the LC MARC format when computer use began
LC MARC system used brief numbers, letters, and symbols to mark different types of information
The LC MARC system evolved into MARC 21
Who is responsible for maintaining MARC 21?
Bibliographic format and documentation is maintained by the Library of Congress
Two groups review and revise MARC 21 content:› MARC Advisory Committee› The Machine-readable Bibliographic Information
(MARBI) Committee Committee of the ALA Made up of three representatives from technical
services, automation services, and reference services
History of MARC 21
Need for standardized cataloging system› Developed by libraries to get full use out of
computers› Made shared cataloging a reality› Made library automation affordable› Comprehensive and flexible record› Two main design components:
Structure-form the information takes Standard for machine-readable records
History of MARC 21 Pre-MARC computer systems (early to mid
1960s)› Could only be used by trained library personnel› Could only be used by the library that created
the system› Limited use
Circulation Overdue Notices Fixed length
About 120 characters Either too much space or not enough space
History of MARC 21
Research and Development, MARC I and MARC II› Library of Congress chosen to facilitate
research› Research began at LofC in 1965› Two main focuses:
Development of a machine readable format for library records
Potential use of an automated system
History of MARC 21
MARC I› Small group of libraries using computers was
used as a test group› Became evident that shared records would be
a great advantage of an automated system› Searching could be done using non-traditional
words of phrases› Gathering of statistics could improve storage
and circulation
History of MARC 21
MARC II› MARC I expanded in 1967 into MARC II› Communication format standard
Magnet tape Transmission of magnetic tape by US mail Flexible formatting
System developed into USMARC in the 1980s Combined with CAN/MARC (Canadian MARC)
in 1997 to become MARC 21
Benefits of the MARC 21 system
Prevents duplication of work Allows libraries to share authority information Enables libraries to access authority data that
is predictable and reliable Cost effective Quality enhancing Prevents librarians from ‘reinventing the wheel’ Allows all persons who distribute and use
authority data to communicate with each other
Uses of MARC 21
MARC 21 transmits data (specifically bibliographic data) from one system to another
Reduces the work load of librarians by eliminating the need to catalog information that has already been added to the system
Standard form used in machine readable information
Who is Using MARC 21 The Library of Congress uses MARC 21
› Current LofC classification schedules are produced from records in MARC 21 classification format
Around fifty systems are available to collect, organize, and manage MARC 21 records
MARC 21 Records Systems
Follett Software Company-serves more than 100,000 schools and universities in the U.S. and 165 countries worldwide
Library.Solution-serves thousands of libraries worldwide, includes circulation and self checkout functions
Polaris- serves over 1000 libraries worldwide, has a multilingual edition that includes 115 languages
Koha- free/open source, a community of collaborating libraries worldwide
Future of MARC 21
There is some competition with other cataloging systems:› RDA› AACR2
These systems are thought by some to be more in line with ideas of web 2.0 and the semantic web
There is strong support in the library world to adapt and improve the MARC 21 system, rather than switch systems completely
References
Bibliographic exchange formats. (n.d.). Retrieved from http://www.bl.uk/bibliographic/exchange.html, June 2, 2010.
Block, R. RDA: Boondoggle or Boon? And What About MARC? (2009, April 22). Retrieved from http://www.nelib.org/netsl/conference/2009/RickBlock.pdf, June 14, 2010.
Bowen, J. (2005). What's after AACR2? Retrieved from : http://www.ala.org/ala/mgrps/divs/alcts/resources/ano/v16/n6/nws/rdaqs.cfm
Byrne, D.J. (1998). Marc manual. Englewood, CO: Libraries Unlimited, Inc. Coyle , K. and Hilllman , D. (2007). Resource description and access
(RDA), cataloging rules for the 20th Century. D-Lib Magazine .Retrieved from: http://www.dlib.org/dlib/january07/coyle/01coyle.html
Frequently Asked Questions. (2006, July 12). Retrieved from http://www.loc.gov/marc/faq.html, June 14, 2010.
Frequently asked quetions about cataloging. (n.d.). Retrieved from http://www.loc.gov/aba/about/catfaq.html#skip_menu, June 2, 2010.
References
Full Level Record – Book. (2003, October). Retrieved from http://www.loc.gov/marc/bibliographic/examples.html, June 12, 2010.
Furrie,B. (2009). Understanding MARC-bibliographic. (8th ed.). Washington DC.: Library of Congress.
Joint Steering Committee for the Development of RDA. (2010). Frequently asked questions. Retrieved from: http://www.rda-jsc.org/rdafaq.html
Library of Congress (2004). Understanding MARC authority records (2nd ed. ) Washington DC: Library of Congress.
Marc records, systems, and tools. (2009, May 8). Retrieved from http://www.loc.gov/marc/marcsysvend.html, June 2, 2010.
Network Development and MARC Standards Office (2009). FRBR display tool: version 2.0. Retrieved from: http://www.loc.gov/marc/marc-functional-analysis/tool.html
Schottlaender, B. E. C., (Ed.) (1998) The future of the descriptive cataloging rules. Chicago and London : American Library Association.
Taylor, A. G. (Ed.) (2007). Understanding FRBR. Westport, CT: Libraries Unlimited. Zenn,S. (2004). An introduction to MARC 21 cataloging. Retrieved from:
http://wotan.liu.edu/home/smzenn/