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Wikipedia's contents: Reference

Brockhaus Konversations-Lexikon, 1902
A reference work is a compendium of information, usually of a specific type, compiled in a book for ease of reference. That is, the information is intended to be quickly found when needed. Reference works are usually referred to for particular pieces of information, rather than read cover to cover. The writing style used in these works is informative; the authors avoid use of the first person, and emphasize facts. Indexes are commonly provided in many types of reference work. Updated editions are published as needed, in some cases annually.

In comparison, a reference book or reference-only book in a library is one that may only be used in the library and not borrowed from the library. Many such books are reference works (in the first sense) which are usually used only briefly or photocopied from, and therefore do not need to be borrowed. Keeping them in the library assures that they will always be available for use on demand. Other reference-only books are ones that are too valuable to permit borrowers to take them out. Reference-only items may be shelved in a reference collection located separately from circulating items or individual reference-only items may be shelved among items available for borrowing.

More about Reference works...
Reference: OverviewListsOutlinesPortalsCategoriesGlossariesIndexes

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P literature.svg Overview   (see for all subject areas)

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P literature.svg Outlines   (see for all subject areas)

General reference lists  • Abbreviations • Collective nouns • Common misconceptions • Common misspellings • Etymologies • Lists • Lists of lists • Pairs • Postal codes • Unusual articles

Reference of organizations 

Libraries • Types of libraries • Digital library projects • National libraries

Reference works • Almanacs • Dictionaries • Encyclopedias • Free online journals • Wikibook how-tos • Newsgroups • Newspapers • Web directories

Research tools and resources • Free software programs • IRC clients • News clients • Periodic table • Search engines

Standards • Common standards • Numbering schemes

International standards • List of International Organization for Standardization standards • ISO 639 language names • ISO 3166 country codes • Time zones • Country calling codes • Internet TLDs • Plastic recycling codes
United States standards • Federal Standard 1037C (Glossary of telecommunication terms) • FIPS country codes • U.S. postal abbreviations
Size, measurement and conversions
SI • SI base units • SI derived units • SI prefix
Unit conversions • Unusual units of measurement • Humorous units of measurement
Orders of magnitude • Length • Area • Volume • Mass • Time
Specific measures • Cooking • Ancient • Paper sizes

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P literature.svg Glossaries   (see for all subject areas)

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C Puzzle.png Categories   (see for all subject areas)

Main categories: Research and Library science

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