weeding reference materials (lis 60610)
DESCRIPTION
TRANSCRIPT
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WEEDING REFERENCE MATERIALS
LIS 60610/Fall 2008
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What Is a Reference Work?
ALA:
• By its nature, usefulto answer referencequestions
• For various reasons,held out of circulation
Bates:Bates:• FunctionalFunctional
“What’s it for?”“What’s it for?”
• AdministrativeAdministrative“How’s it “How’s it used?”used?”
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What is a Reference Book??
1. Used to locate facts and citations2. Usually arranged in one of three
ways:AlphabeticallyChronologicallyTopically
3. The title gives detailed information about the work
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“Right-Sizing” the Collection
Designate a project team and team leader
Print out a shelf list of the reference collection
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# CALL # TITLE Copyright Cond. Keep Weed To Circ.123456789
101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960
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“Right-Sizing” the Collection
Perform an inventory
Eliminate titles not found on the shelves
Add titles not included on shelflist printout
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“Right-Sizing” the Collection
Gather usage data:
Determine the busiest 2- or 3-month period
Post signs advising users not to reshelve reference materials
Provide labeled carts for used materials
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“Right-Sizing” the Collection
Gather usage data:
Provide empty shelves for perusing materials in the stacks
Designate a “roving librarian”
Make a hashmark by each title used
Highlight titles used
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Review the data and evaluate materials based on usage (e.g., 0 usage, 1 usage, etc.)Weed the collection to determine which items will be:
RetainedDiscardedMoved to the circulating collection
“Right-Sizing” the Collection
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What is Weeding?
The process of removing books and other materials that:
Are in dilapidated physical condition
Contain outdated or inaccurate information
Do not fit into the scope of the library’s collection
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Guidelines for Reference Materials
Subject relevance
Other materials on the topic
Weed older editions when superceded
Evaluate periodically
Maintain a reference collection development policy
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Other Criteria
Age/Physical condition
Currency
Timeliness
Use
Newer edition available
Suitability for circulating collection
Historical significance
Availability of newer or better title
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Other Criteria
Budget constraints Standing order dispositions (older editions sent to branches) Appropriateness for collectionIncomplete setsJudgments based on subject area expertise Current listings in standards tools (e.g., Sheehy, BIP)
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Print vs. Online
CONSIDER:How many reference resources are available online?“Free” vs. feeCost of maintaining two formatsOther issues (usability, available computers, patron skill level)
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Do NOT Weed…
Local history and genealogy materials
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Do NOT Weed…
Volumes of sets and series with special merit
Older reference works augmented by (not superceded by) later editions
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http://refdesk.com/
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ALMANACS
Two years’ usage
Older editions may be kept for historic research
Update annually
Circulate older editions (1-2 years)
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Exception to the rule:
Keep all editions of the state almanac for their unique information
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Dictionaries
Keep unabridged editions
Update special dictionaries regularly (5-7 years)
Circulate older editions
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www.wordcentral.com/
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http://onelook.com/
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www.yourdictionary.com/
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Encyclopedias
Outdated after 5 years
Purchase on rotating schedule
Supplement with electronic formats
Circulate older sets
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www.kidsclick.org/
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www.ipl.org/
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http://encarta.msn.com
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What about Wikipedia?
http://www.collegehumor.com/video:1830262
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Directories
TelephoneZip codeOfficial Congressional DirectoryOnline (switchboard.com)
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Directories
Discard when new ones arrive
Retain older ones IF space and usage warrant
Exception: older telephone and city directories (used by genealogists)
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http://thomas.loc.gov/
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Atlases and Gazetteers
Maps
Latitude and longitude
Demographic info.
Geographic data
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Atlases
Replace when updated (5-7 yrs.)
House older editions separately
Update road atlases annually
Keep local maps updated
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www.cia.gov/library/publications/the-world-factbook/
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www.sitesatlas.com/
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http://maps.nationalgeographic.com/maps
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http://nationalatlas.gov/
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Handbooks and Manuals
HANDBOOKS
Give a broad overview of a topic
Occupational Outlook Handbook
Oxford Companion to Literature
MANUALS
Give step-by-step instructions--how to do
Chilton’s Auto Repair Manual
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Handbooks
Humanities: retain indefinitely; supplement with newer texts
Social Science: outdated after 10 years
Exceptions: sets containing historical data
Sciences: outdated after 5 years
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www.bls.gov/OCO/
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Indexes
Magazines and periodicalsPoetryGenealogyElectronic databases (e.g., OhioLINK)
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Indexes
Most print indexes have been replaced with online databases
Note: online databases may not include older periodicals
Keep older editions of Granger’s if needed
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Quotation Sources
Identify statements by notables in history
Arrangedtopicallyalphabeticallychronologically
Bartlett’s Familiar Quotations
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Quotation Sources
Some titles are not superceded by new editions (e.g., Bartlett’s)
Use caution with online resources
Exception: www.bartleby.com
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Bibliographies
List of sources grouped by: topic reading level
A to Zoo
Magazines for Libraries
Genreflecting
Children’s Catalog
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Bibliographies
Replace when superceded
Note: some may be “one-shot” titles
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Biographical Sources
Dictionaries provide brief biog. informationNot superceded by later editionsCurrent BiographyWebster’s New Biog.
Dictionary
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Biographical Sources
Keep sets (e.g., Something About the Author):
IF space allows
IF usage dictates
IF online resources don’t cover demand
IF other formats aren’t available
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