Wikipedia:List of aids to Internet research

This page is designed to supplement Wikipedia:Reference desk and its seven subpages. It can have a number of uses.

  • It provides resources to editors who have questions.
  • It provides resources to editors who wish to answer the questions of other editors.
  • It provides resources to editors who wish to start or expand articles in Wikipedia.

The following points are useful to anyone consulting this list.

These are the seven subpages of the Reference desk, and corresponding Dewey Decimal numbers.


Computer science, information, and general works (000–099)

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Computer science, knowledge, and systems (000–010)

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Computer categories in general web directories

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Directories of computer websites

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Websites of operating systems

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(See also: List of operating systems, Category:Operating systems.)

International computing standards organizations

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(See also: List of technical standard organisations, Category:Standards organizations.)

Typing foreign characters

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Directories of application software

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(See also: Application software, Category:Application software.)


Philosophy and psychology (100–199)

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Religion (200–299)

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Social sciences (300–399)

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(See also: Category:Society, Category:Society-related lists.)

Society categories in general web directories

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Social sciences, sociology, and anthropology (300–309)

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General statistics (310–319)

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Directories of statistics

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Economics (330–339)

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Directories of small businesses

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(See also: Category:Small business.)

Directories of thrift stores

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(See also: Charity shop.)

Labor economics (331)

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Cooperatives (334)

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(See also: Cooperative, Category:Cooperatives.)

Miscellaneous economics websites

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Law (340–349)

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(See also: Index of law articles, Category:Law, Category:Legal websites.)
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Public administration (350–359)

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Education (370–379)

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(See also: Category:Education, Category:Education-related lists, Category:Educational websites, Comparison of educational websites that are directed to persons 17 or under.)

Education categories in general web directories

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Directories of education websites

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Higher education (378)

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(See also: Category:Lists of universities and colleges, Category:Universities and colleges.)
Directories of postsecondary institutions
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College and university search engines
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Reviews of postsecondary institutions
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Miscellaneous websites about higher education
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Special education

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Directories of lesson plans

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Miscellaneous education websites

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Language (400–499)

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Language (400–409)

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(See also: Lists of languages, Category:Lists of languages, Category:Language, Category:Languages.)

Language categories in general web directories

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Directories of language websites

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Directories of websites for learning specific languages
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(See also: Category:Language acquisition.)
Directories of text corpora
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(See also: Category:Corpus linguistics.)

Linguistics (410–419)

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(See also: Category:Linguistics, Category:Linguistics lists.)

Writing systems (411)

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(See also: Category:Writing.)

Dictionaries (413)

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(See also: Lists of dictionaries, Category:Dictionaries, List of online dictionaries, Category:Online dictionaries, Category:Glossaries, Category:Wikipedia glossaries.)
Directories of dictionaries and glossaries
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Phonology (414)

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(See also: Category:Phonetics, Category:Phonology.)
Pronunciation websites
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Other languages (490–499)

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Miscellaneous languages (499)

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Directories of language websites by global region

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(See also: Category:Languages by geographical region.)

Endangered languages

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(See also: Lists of endangered languages, Category:Endangered languages.)

Online language identifiers

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(See also: Language identification, Wikipedia:Language recognition chart.)

Directories of translation and translators

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(See also: Translation, Category:Translation, Category:Translators.)

Language websites, miscellaneous

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Science (500–599)

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(See also: Category:Science websites.)

Science categories in general web directories

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Directories of science websites

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Mathematics (510–519)

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(See also: Category:Mathematics, Category:Mathematics-related lists, Mathematics Subject Classification, Category:Mathematics websites.)

Mathematics categories in general web directories

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Directories of mathematical websites

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Web pages about mathematical mistakes

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(See also: Mathematical fallacy.)

Mathematics websites, miscellaneous

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Astronomy and allied sciences (520–529)

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(See also: Category:Astronomy websites.)

Directories of astronomy websites

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Physics (530–539)

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(See also: Category:Physics lists, Category:Physics.)

Directories of physics websites

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Life sciences (570–579)

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(See also: List of biology websites, Category:Biology websites.)

Directories of biology websites

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Species search engines
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Directories of botany websites

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Ecology (577)

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Directories of environmental websites
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(See also: List of environmental websites, Category:Environmental websites.)
Search engines for environmental websites
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Science websites, miscellaneous

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Technology (600–699)

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(See also: Category:Technology websites.)

Directories of technology websites

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Medical sciences; medicine (610–619)

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(See also: Category:Medical websites.)

Directories of medical websites

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Directories of online medical journals

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Agriculture (630–639)

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(See also: Category:Agriculture-related lists, Category:Agriculture.)

Directories of agricultural websites

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Web pages about mistakes in science and engineering

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(See also: List of science and engineering blunders.)

Medical resources, miscellaneous

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Arts (700–799)

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(See also: Category:Arts, Category:Arts-related lists, Entertainment, Category:Entertainment, Category:Entertainment websites.)

Entertainment categories in general web directories

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Directories of entertainment websites

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Photography and photographs (770–779)

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Directories of photography websites

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(See also: Category:Photography websites.)

Music (780–789)

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(See also: Category:Music, Category:Music-related lists, Category:Music portals.)

Music categories in general web directories

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Directories of music websites

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Virtual piano keyboards

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(See also: Musical keyboard, Category:Keyboard instruments.)


Literature (800–899)

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History, geography, and biography (900–999)

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History (900–909)

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(See also: Category:History websites.)

History categories of general directories of websites

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Directories of history websites

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Directories of genealogy websites

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(See also: Category:Genealogy websites.)

Geography and travel (910–919)

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(See also: Category:Geography, Category:Geography-related lists, Category:Travel websites.)

Directories of geography websites

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Travel and tourism categories of general directories

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Directories of travel and tourism websites

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Geographic representations of earth (912)

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Dynamic maps
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See also

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