List of Online Encyclopedias
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List of Online Encyclopedias

This is a list of online encyclopedias--i.e., encyclopedias accessible on the Internet or formerly accessible on the Internet.

The largest online encyclopedias are general reference works, though there are also many specialized ones. Some online encyclopedia are an online edition of a print encyclopedia, whereas others are a separate enterprise entirely, such as Wikipedia.

General reference

Site Language Description Access
Wikipedia Various (see list here) General interest, wiki Free, copyleft
Nupedia English Combined with GNUpedia Defunct
Interpedia English General interest, the first site to propose a free encyclopedia written by users Defunct
Everipedia English[1] The site lets editors create any page on any topic[1] and anyone can edit a page by creating a free account.[2] Free[2]
Citizendium English General interest, wiki Free, copyleft
Conservapedia[3][4] English American conservative and Christian interests Free
Scholarpedia English Articles are written by scholars and peer-reviewed for accuracy Free
Encyclopædia Britannica English General interest Limited free access and features, subscription for full access
Baidu Baike Chinese Collaborative online encyclopedia hosted by the major Chinese search engine Baidu Free
Enciklopedio Kalblanda Esperanto General interest. The first online encyclopedia on the Esperanto Defunct (merged into Esperanto Wikipedia)
EcuRed Spanish General interest. Cuban Free
Encyclopedia.com English General interest Free
Baike.com Chinese General interest. China's largest wiki Free
Columbia Encyclopedia English General interest Free[5]
Crnogorska Enciklopedija Montenegrin General interest (hopes to encourage a Montenegrin language Wikipedia) Defunct
Croatian Encyclopedia Croatian General and national encyclopedia Free
Den Store Danske Encyklopædi Danish General interest Free
Digital Universe English Collection of articles on educational, cultural, and scientific topics Free
Doosan Encyclopedia Korean General interest Free
Ek?i Sözlük Turkish General interest Free
Encarta (1993-2009) English General interest Defunct
Enciclonet Spanish General interest Limited free access and features, subscription for full access
Encyclopædia Britannica 11th Edition (1910-11) English General interest Public domain: completely free access from several online sources
Encyclopedia of China Chinese General interest Subscription
Encyclopedic Dictionary of Vietnam Vietnamese General interest. State-sponsored encyclopedia. Free
Encyklopedia Internautica Polish General interest Free
Enciclopedia Libre Universal en Español Spanish Fork of the Spanish Wikipedia, using wiki software, released under the GFDL Free, copyleft
Encyclopædia Universalis French General interest encyclopedia published by Encyclopædia Britannica Subscription
Everything2 English General interest, users can submit articles on the topic of essentially anything Free
The Free Dictionary English, Spanish, German, French, Italian, Chinese, Portuguese, Dutch, Norwegian, Greek, Arabic, Polish, Turkish, Russian TheFreeDictionary's Encyclopedia draws from various sources, including The Columbia Encyclopedia. Free
GNE English General interest articles are released under a GNU license. Formerly GNUpedia. Defunct
Gran Enciclopèdia Catalana Catalan General interest Free
Grand Larousse encyclopédique French General interest Free
Great Norwegian Encyclopedia Norwegian (Bokmål) General interest Free
Great Russian Encyclopedia Russian General interest Free
Great Soviet Encyclopedia Russian, English General interest, often from the former official Soviet viewpoint. Free
Hamichlol Hebrew, English General interest, designed for Haredim Free. Copyleft: mirror of popflock.com resource content; copyright: original content.
Internetowa encyklopedia PWN Polish General interest Free
Krugosvet (Rus. ) Russian General interest. Free
Marathi Vishwakosh Marathi General Interest Free
Marefa Arabic General interest Free
Mawdoo3 Arabic General interest Free
Metapedia Hungarian, German, English, Spanish, Swedish, Romanian, Estonian, French, Slovenian, Czech, Portuguese, Norwegian, Danish, Greek, Dutch Far right-wing, white nationalist and neo nazi encyclopedia[6][7][8][9][10][11] Free
Meyers Konversations-Lexikon 4. ed. 1888 - 1892 German General interest Free
Nationalencyklopedin Swedish General interest, comprehensive Subscription
New World Encyclopedia English Project of the Unification movement Free. popflock.com resource fork.
Open Site English Categorized community-built encyclopedia, inspired by the Open Directory Project Defunct
Oxford Bibliographies Online English Free
Probert Encyclopaedia English General interest Defunct
Proleksis Encyclopedia Croatian General and national encyclopedia Free with registration
Sarvavijnanakosam Malayalam General interest Free
Superpedia Bahasa Indonesia, Sundanese, Javanese General interest Free
Susning.nu (2001-09) Swedish A Swedish language wiki Defunct
Tamil Encyclopedia Tamil General Interest Free
Treccani Italian General interest Free
Veropedia English, Dutch, Spanish Mirrors stable versions of selected English Wikipedia articles Defunct
WIEM Encyklopedia Polish General interest Free
Winkler Prins Dutch General interest, three different age levels Subscription
World Book Encyclopedia English General interest Subscription


Biography

Site Language Description Access
Australian Dictionary of Biography English Entries on notable Australians who have died Free
Croatian Biographical Lexicon Croatian Multi-volume biographical reference work on notable figures from Croatian history Free
Deutsche Biographie German Biographies on notable German speaking people Free
American National Biography English Biographies of notable Americans Subscription
Dictionary of Canadian Biography English, French Entries on notable Canadians Free
Dictionary of Irish Architects English Biographical information on Irish architects from 1720 to 1940 Free
Kdo byl kdo Czech Biographies on notable Czech and Slovak people Free
Österreichisches Biographisches Lexikon 1815-1950 German Biographies on notable Austrians Free
Oxford Dictionary of National Biography English Comprehensive 66-volume reference work on notable figures from British history Subscription
Dictionary of New Zealand Biography English, M?ori Entries on notable New Zealanders who have died Free
Dizionario Biografico degli Italiani Italian Biographical Dictionary of Italian People, published by the Istituto dell'Enciclopedia Italiana Treccani Free

Antiquities, arts, and literature

Site Language Description Access
Dictionary of Art Historians English Covers topics relating to art historians, art critics, and their dictionaries Free
Dictionary of Greek and Roman Antiquities English Incorporates text from the 19th century encyclopedia of the same name. Focuses on topics of cultural and historical Greek and Roman significance. Free
Dictionary of Greek and Roman Biography and Mythology English Focuses on topics dealing with Greek and Roman mythology and people Free
Dictionary of Greek and Roman Geography English Focuses on topic relating to Greek and Roman geography Free
Enciclopedia Dantesca Italian Devoted to Dante Alighieri and his time, by the Istituto dell'Enciclopedia Italiana Treccani Free
The Encyclopedia of Fantasy English [12] Free
Encyclopedia Mythica English Covers folklore, mythology, and religion.[13] Free
Harper's Dictionary of Classical Literature and Antiquities English Covers subjects of classical antiquity; text from 1898 Free
The History of Nordic Women's Literature English, Danish, Swedish Searchable online English-language version including many biographies Free
The Literary Encyclopedia English Literature related articles Subscription
Oxford Art Online English Visual art; formerly Grove Art Online and The Dictionary of Art. Originally published in 1996 as a 34-volume printed encyclopedia; offered online since 1998. Subscription[14]
SIKART English, German, French, Italian Biographical dictionary and database of Swiss visual art Free

Regional interest

Site Language Description Access
Agropedia Covers topics related to agriculture in India.
Austria-Forum German, English Online database of Austrian culture Free
Banglapedia Bengali, English Bangladesh-related topics Free
The Canadian Encyclopedia English, French General interest regarding Canada and Canadiana (original content of the hard copy Canadian Encyclopedia) Free
Chalo Chatu English Collaborative online encyclopedia hosted by Chalo Chatu Foundation featuring comprehensive articles on Zambian culture and history, etc. Free
Culinary Heritage of Switzerland German, French, Italian, Romansh Online encyclopedia of traditional Swiss cuisine and produce.[15] Free
DEDI English, Slovene Online encyclopedia of the natural and cultural heritage of Slovenia, operated by the Slovenian Academy of Sciences and Arts Scientific Research Center.[16] Free
Dictionary of Sydney English Articles on the history and culture of Sydney, Australia Free
Encyclopaedia of Islam, 3rd edition English About the Islamic world, not a Muslim encyclopaedia Subscription
Encyclopædia Iranica English, plans for a future Persian version Topics on Iranology and the influence of the Iranian peoples throughout history Free
The Encyclopaedia of Korea[17] English Korea-related topics[18] Free
Encyclopedia of Korean Culture Korean Korea-related topics Free
Encyclopedia Sindhiana Sindhi General interest regarding Sindh Limited free access and features
Internet Encyclopedia of Ukraine English Ukraine, its history, people, geography, society, economy, and cultural heritage, based on the five-volume print Encyclopedia of Ukraine Free
Gazetteer for Scotland English Articles on the geography and locations of Scotland Free
Historical Dictionary of Switzerland French, German and Italian Articles on the history of Switzerland. Free (without illustrations)
Kodansha Encyclopedia of Japan English Comprehensive articles on Japanese arts, culture, history, and politics, etc. Subscription
Oslo byleksikon Bokmål (Norwegian) Online encyclopedia of Oslo, operated by the Society for Oslo Byes Vel, with an emphasis on places, buildings and historical events.[19] Free
Panyathai Thai, limited English General interest. Designed to honor the Thai king Bhumibol Adulyadej Free
Sahapedia English Open encyclopedic resource on the arts, cultures and histories of India.[20] Free
Te Ara: The Encyclopedia of New Zealand English, M?ori Site operated by the New Zealand government regarding information about the country Free
Vienna History Wiki German Articles on the history of the city of Vienna, Austria. Includes 31,000 entries from the 2nd edition of Historisches Lexikon Wien. Free

US-American specific

Site Language Description Access
64 Parishes English Online encyclopedia of Louisiana, run by the Louisiana Endowment for the Humanities.[21] Free
Encyclopedia of Alabama English Encyclopedia covering the state of Alabama, sponsored by the Alabama Humanities Foundation. Free
Encyclopedia of Appalachia English Dedicated to the region, people, culture, history, and geography of Appalachia. Defunct
Encyclopedia of Arkansas English Project of the Central Arkansas Library System and is the only U.S. state encyclopedia sponsored by a public library Free
Encyclopedia of Chicago English Free
Encyclopedia Virginia English Encyclopedia funded by the Virginia Foundation for the Humanities and Library of Virginia, covering topics on Virginia Free
Handbook of Texas English Articles on the U.S. State of Texas Free
HistoryLink English Articles pertaining to Washington state history Free
MNopedia English Online encyclopedia about Minnesota, published by the Minnesota Historical Society.[22] Free
NCPedia English Encyclopedia coordinated and managed by the North Carolina Government and State Library of North Carolina, covering a broad spectrum of topics and resources about North Carolina.[23] Free
New Georgia Encyclopedia English Articles on the U.S. state Georgia Free
The Oregon Encyclopedia English Articles pertaining to Oregon Free
Tennessee Encyclopedia English Covers the state of Tennessee Free

Pop culture and fiction

Site Language Description Access
Don Markstein's Toonopedia English Focuses on articles pertaining to print and animated cartoons Free
Encyclopedia Dramatica English Contains humorous articles, especially those related or relevant to contemporary Internet culture. Free
The Encyclopedia of Science Fiction English Authors, books, films of sci-fi. Free
Emojipedia English Emoji Free
Fringepedia English Contains articles pertaining to the American television drama Fringe. Free
h2g2 English Collection of sometimes humorous encyclopedia articles, based on Douglas Adams's The Hitchhiker's Guide to the Galaxy. Free
Heroes Wiki English, Dutch, French, German, Hebrew, Italian, Portuguese, Spanish, Swedish, Turkish Contains articles pertaining to the American television drama Heroes. Free
Know Your Meme English A website and video series which uses wiki software to document various Internet memes and other online phenomena, such as viral videos, image macros, catchphrases, and internet celebrities.[24][25] Free
Lostpedia English, German, Spanish, French, Italian, Japanese, Dutch, Polish, Portuguese, Russian, Chinese Contains articles pertaining to the hit drama Lost Free
Memory Alpha English, Bulgarian, Chinese, Czech, Dutch, Esperanto, French, German, Polish, Portuguese, Russian, Serbian, Spanish, Swedish Articles about Star Trek Free
LyricWiki (2006-20) Multilingual Wiki-based lyrics database and encyclopedia Defunct
The Rocklopedia Fakebandica English Articles on fake bands from popular entertainment Free
Supernatural Wiki English Contains articles pertaining to the American television drama Supernatural. Free
TV Tropes English, German, Esperanto, Spanish, French, Norwegian, Finnish, Swedish, Al Bhed, Quenya Articles related to the devices and conventions that a fiction writer can reasonably rely on as being present in the audience members' minds and expectations Free
Uncyclopedia Multilingual Humour encyclopedia Free
Fallout Wiki English, German, Spanish, Bulgarian, Finnish, French, Georgian, Hungarian, Italian, Japanese, Korean, Lithuanian, Dutch, Norwegian, Polish, Portuguese, Russian, Swedish, Turkish, Chinese Fallout-related articles Free
Wookieepedia English, German, Spanish, Bulgarian, Danish, Finnish, French, Croatian, Hungarian, Italian, Japanese, Dutch, Norwegian, Polish, Portuguese, Russian, Romanian, Slovak, Slovene, Swedish, Chinese Star Wars-related articles Free
WoWWiki / Wowpedia English, German, Spanish, French, Czech, Danish, Greek, Persian, Finnish, Hebrew, Hungarian, Icelandic, Italian, Lithuanian, Latvian, Dutch, Nynorsk, Bokmål, Polish, Portuguese, Brazilian Portuguese, Russian, Slovak, Korean, Japanese, Chinese World of Warcraft-related articles Free

Mathematics

Site Language Description Access
Encyclopedia of Mathematics English Encompasses articles on the topic of mathematics Free
Encyclopedia of Triangle Centers English Information about ten thousands of triangle centers, including coordinates, operations, incidence, equations, etc. Free
EqWorld English, Russian Articles on mathematical equations Free
MathWorld English Articles on a wide variety of mathematics related topics Free
On-Line Encyclopedia of Integer Sequences English Information about hundred thousands of integer sequences, including formulas, related sequences, programs, etc. Free/CC BY-NC 3.0
PlanetMath English Mathematics related topics and articles Free/GNU
nLab English Category theory and related topics Free

Media

Site Language Description Access
Bulgarian Rock Archives Bulgarian Archives of Bulgarian rock bands.
Canadian Pop Music Encyclopedia English Free[26]
Encyclopaedia Metallum English Archives of heavy metal bands Free
Grove Music Online English Mostly on historic and classical music worldwide. It is the online version of The New Grove Dictionary of Music and Musicians, which has 20 printed volumes and was first published in 1980. Subscription[14]
IMDb English, German, French, Hungarian, Italian, Polish, Portuguese, Romanian, Turkish, and Spanish Information related to world films, television programs, home videos, video games, and internet streams Free
MusicBrainz English, German, French, Italian, Dutch An open music encyclopedia that collects music metadata.[27] Free
MOOMA Hebrew Articles on Israeli music and musical artists Free
PCGamingWiki English Covers PC gaming Free
Rock in China English Documents and archives contemporary Chinese music, ranging from rock music to punk, metal, electro, jazz and hip-hop Free

Philosophy

Site Language Description Access
Internet Encyclopedia of Philosophy English Philosophy related articles Free
Marxists Internet Archive Multilingual Topics related to the study of Marxism Free
RationalWiki[28] English Skeptical interests[29] Free
Routledge Encyclopedia of Philosophy English Philosophy articles Subscription
Stanford Encyclopedia of Philosophy English Philosophy subjects Free

Politics, law, and history

Site Language Description Access
Ancient History Encyclopedia English Historical encyclopedia targeted at students and the general public. Reviewed by editorial team, not a Wiki. Free
Ballotpedia English American politics, elections, and public policy Free
The Concise Encyclopedia of Economics English Economics - part of the Library of Economics and Liberty. Edited by David R. Henderson Free
Cyclopaedia of Political Science, Political Economy, and the Political History of the United States English Articles pertaining to science, economics, and American authors. The 1899 edition is available online Free
Diplopedia English US State Department internal encyclopedic wiki, available for diplomats and overseas US agents to use Access only through the State Department
dKosopedia English Political encyclopedia written from a progressive/liberal Democratic point of view Free
Encyclopedia Titanica English Encyclopedia related to the building and sinking of the RMS Titanic Free
Encyclopedia of World Problems and Human Potential English Presents articles on perceived human problems Free
Gapminder English Historical global trends in health, poverty, and demographics Free
glbtq.com English Gay, lesbian, bisexual, transgender, and queer culture. Free
HistoryLink English Articles on the history of Washington state Free
Holocaust Encyclopedia English, Arabic, Persian, French, Spanish Holocaust-related articles, published by the United States Holocaust Memorial Museum Free
JurisPedia Arabic, English, Chinese, French, German, Spanish, Dutch An academic encyclopedia on the concepts of law Free
Max Planck Encyclopedia of Public International Law English Encyclopedia on public International Law Free
Online Encyclopedia of Mass Violence French Electronic database focusing on massacres and genocides of the 20th century.[30] Free
Our World in Data English Global trends on economic growth, poverty, health, war, violence, education, and demographics Free
Spartacus Educational English Free
World History Encyclopedia English The world's most-read history encyclopedia, covering world history from all time periods.[31] Free

Religion and theology

Site Language Description Access
Boston Collaborative Encyclopedia of Western Theology English Articles on Western Christian theology Free, public domain
Catholic Encyclopedia English Topics relating to Catholicism, text from 1913 and 1922 Free, public domain
Christian Cyclopedia English Collection of historical and theological information Free
Easton's Bible Dictionary English Articles on Christianity and theology Free, public domain
Encyclopaedia Biblica English Contains articles pertaining to "the Literary, Political and Religious History, the Archaeology, Geography, and Natural History of the Bible" Free
Encyclopedia of Mormonism English Articles by Mormon academics on history and doctrine of The Church of Jesus Christ of Latter-day Saints (LDS Church). Free
Global Anabaptist Mennonite Encyclopedia Online English Topics relating to Anabaptism and Mennonites Free
?slâm Ansiklopedisi Turkish Articles on topics concerning Islamic studies. Free
The Jewish Encyclopedia English Topics relating to Judaism Free
Jewish Virtual Library English Portals to essential Jewish topics Free
Encyclopedia Mythica English Covers folklore, mythology, and religion.[13] Free
Punjabipedia Punjabi Entries on Sikhism Subscription
Schaff-Herzog Encyclopedia of Religious Knowledge English Christian, published 1908-1914 Free, public domain
Hindumediawiki Hindi[[1]] and English[[2]] Hinduism and Sanatan Dharma free

Science and technology

Site Language Description Access
Encyclopedia Astronautica English Contains articles on the subject of space exploration and astronomy Free
Encyclopedia of Earth English Articles on the Earth and its ecosystems Free
Encyclopedia of Science English A-to-Z of science (and technology, mathematics, philosophy, etc.) maintained and updated daily by astronomer and author David Darling Free
Engineering and Technology History Wiki English The history of technology, a partnership between the United Engineering Foundation, and the AIChE, AIME, ASCE, ASME, IEEE, SPE, and SWE Free
Free On-line Dictionary of Computing English Computing and related subjects Free
Glottopedia English Linguistics Free
Javapedia English Coverage of all topics related to the Java platform Free
Omniglot English Covers languages and writing systems. Free
Proteopedia English Wiki-based 3D encyclopedia of proteins and other molecules. Free
RP Photonics Encyclopedia English Laser technology, photonics, and related areas such as optical fibers and ultrashort pulses. Free
ScienceWorld English Covers astronomy, scientific biography, chemistry, and physics. Like MathWorld, it is edited by Eric Weisstein. Free

Life sciences

Site Language Description Access
Animal Diversity Web English Student wiki-type database at the University of Michigan of animal natural history, distribution, classification, and conservation biology. Free
APpedia Chinese Contains articles on the subject of general animal protection Free
ARKive English Visual and audio recordings of the world's species Defunct
Encyclopedia of Life English, French Seeks to categorize all 1.8 million known species on the planet Free
Encyclopedia of Life Sciences English Biology related articles Subscription
Encyclopedia of Life Support Systems English Articles about the natural and social sciences Subscription
Erowid English Information about psychoactive substances Free
FishBase English, Spanish, Portuguese, French, German, Italian, Dutch,
Chinese (Simplified Han), Chinese (Traditional Han), Greek, Swedish, Russian, Persian, Vietnamese, Thai, Lao, Hindi, Bengali
Articles on fish species Free
Flora Europaea English Covers different plant species Free
King Abdullah Bin Abdulaziz Arabic Health Encyclopedia Arabic, English Health encyclopedia Free
Palaeos English Covers palaeontology Free
World Flora Online English Covers the world's plant species Free
Wikispecies English Seeks to create a catalogue of all living things Free
ZipcodeZoo English Encyclopedia of all living things Free

Medical

Site Language Description Access
Ganfyd English Online medical wiki Defunct
Radiopaedia English Articles on medical imaging used in radiology and radiography Free
WikEM English The world's "largest and most popular emergency medicine open-access reference resource."[32] Free

See also

References

  1. ^ a b James, Andrea (12 June 2017). "Can Everipedia remake collaborative encyclopedias to be inclusive and enjoyable?". Boing Boing.
  2. ^ a b Lee, Elaine (22 March 2016). "Wharton dropout creates popflock.com resource alternative alongside Rap Genius co-founder". The Daily Pennsylvanian.
  3. ^ Anderson, Nate (2007-03-05). "Conservapedia hopes to "fix" Wikipedia's "liberal bias"". Retrieved .
  4. ^ Stöcker, Christian (2007-03-06). "The Lord's Encyclopedia". Retrieved .
  5. ^ See word search
  6. ^ Perrine Signoret (27 June 2017). "Infogalactic, Metapedia, Conservapedia: l'extrême droite aussi a ses "Wikipédia"". LExpansion.com (in French). Retrieved 2019.
  7. ^ Adam G. Klein (June 2010). A Space for Hate: The White Power Movement's Adaptation Into Cyberspace. pp. 93, 104-105. ISBN 978-1-936117-07-9.
  8. ^ Haines, Lester (2007-07-23). "Conservapedia too pinko? Try Metapedia - Aryans battle 'Cultural Marxism'". Theregister.co.uk. Situation Publishing. Archived from the original on 9 March 2011. Retrieved 2011.
  9. ^ Schweyer, Cléo (2009-07-15). "L'extrême droite s'offre une seconde jeunesse sur le web". cafebabel.fr (in French). Babel International. Archived from the original on 9 March 2011. Retrieved 2011.
  10. ^ "Metapedia" als nationales Pendant zu "Wikipedia" Archived 15 May 2013 at the Wayback Machine (i.e "Metapedia" as a nationalist counterpart to "Wikipedia") from: "Report by the NRW Office for the Protection of the Constitution for the year 2008" by the Ministry of Interior of North Rhine-Westphalia. pp. 59f. (in German)
  11. ^ Sobel Fitts, Alexis. "Welcome to the popflock.com resource of the Alt-Right | Backchannel". Wired. ISSN 1059-1028. Retrieved .
  12. ^ http://sf-encyclopedia.uk/fe.php?id=0&nm=introduction_to_the_online_text
  13. ^ a b "About | Encyclopedia Mythica". pantheon.org. Retrieved 2021-03-01.
  14. ^ a b In UK, can normally be accessed free via a local library
  15. ^ "A propos Patrimoine culinaire". www.patrimoineculinaire.ch. Retrieved .
  16. ^ "dedi.si". www.dedi.si. Retrieved .
  17. ^ https://openresearch-repository.anu.edu.au/handle/1885/10445
  18. ^ "Asian Library Resources of Australia (ALRA) (formerly EALRGA)". alra.org.au. Retrieved .
  19. ^ "Oslo Byleksikon - Oslo Byleksikon". www.oslobyleksikon.no. Retrieved .
  20. ^ "About Us." Sahapedia. Retrieved March 1, 2021.
  21. ^ "About Us". 64 Parishes. Retrieved .
  22. ^ "About MNopedia | MNopedia". www.mnopedia.org. Retrieved .
  23. ^ "About NCpedia | NCpedia". ncpedia.org. Retrieved .
  24. ^ Bruenig, Elizabeth (11 August 2017). "Why is millennial humor so weird?". Washington Post.
  25. ^ Manning, Allee (31 December 2016). "The Darkest, Dankest Year In Memes". Vocativ.
  26. ^ "The Canadian Pop Music Encyclopedia". The Canadian Pop Music Encyclopedia. Retrieved .
  27. ^ "MusicBrainz - The Open Music Encyclopedia". musicbrainz.org. Retrieved .
  28. ^ Charles Davis (May 30, 2018). "Sloppy Sourcing Plagues". The Newsweek Daily Beast Company. Retrieved 2019.
  29. ^ Keeler, Mary; Johnson, Josh; Majumdar, Arun. "Crowdsourced Knowledge: Peril and Promise for Complex Knowledge Systems" (PDF). p. 4. Archived from the original (PDF) on April 13, 2015. Retrieved 2015.
  30. ^ The Online Encyclopedia of Mass Violence. Retrieved March 1, 2021. Archived. ISSN 1961-9898
  31. ^ "About Us". World History Encyclopedia. Retrieved .
  32. ^ "WikEM". www.wikem.org. Retrieved .

External links


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