From Citizendium, the Citizens' Compendium
- Please sort and annotate in a user-friendly manner and consider archiving the URLs behind the links you provide. See also related web sources.
- Wikipedia - English-language version, including the Wikipedia Signpost, its community-edited online newspaper
- About Jimmy - biographical sketch of of Jimmy Wales on his personal web site.
- Jimmy Wales - Wikipedia userpage. On the edit history of this page, the earliest versions were in 2002 when Wales blanked the page. In 2006 this version is one he edited at that time. It contains the following rather blunt statement by Wales:
- "I should point out that these are my principles, such that I am the final judge of them. This does not mean that I will not listen to you, but it does mean that at some ultimate, fundamental level, this is how Wikipedia will be run."
- This statement remained in the August 17, 2011 version edited by Wales, but he blanked the page minutes later, and today these sentences have disappeared. The actual content of Wales' user page today originated who knows where, and is the result of thousands of edits by sundry contributors, but Wales' recent edits are scarce and trivial.
- Larry Sanger - personal website
- Article Traffic Stats - displays traffic per time for individual articles
- Trending Topics - list pages that were most frequently accessed over the last month
- WikiScanner - database of 'anonymous' edits on Wikipedia, linking them to various organizations by IP address
- Wiki Rage - multilingual site displaying articles with the most recent edits
- Aniket Kittur, Bongwon Suh, Bryan A. Pendleton, Ed H. Chi (2007). He Says, She Says: Conflict and Coordination in Wikipedia. CHI 2007, April 28–May 3, 2007, San Jose, California, USA.. ACM. Retrieved on 2012-05-29. "...at the global level, conflict and coordination costs in Wikipedia are growing. Specifically, direct work (on articles) is decreasing, while indirect work such as discussion, procedure, user coordination, and maintenance activity (such as reverts and anti-vandalism) is increasing."
- David A. Hoffman, Salil K Mehra (August 26, 2009). Wikitruth through Wikiorder. Temple University Legal Studies Research Paper. Retrieved on 2011-10-20. Also in Emory Law Journal, 59 (2010). "The data show that Wiki-dispute resolution ignores the content of user disputes, instead focusing on user conduct."
- Bongwon Suh, Gregorio Convertino, Ed H. Chi, Peter Pirolli (2009). The Singularity is Not Near: Slowing Growth of Wikipedia. WikiSym’09, October 25–27, 2009, Orlando, Florida, U.S.A.. ACM. Retrieved on 2012-05-29. An overview of editor activity on WP.
- Wikipedia search on website: PARC, A Xerox company. Palo Alto Research Center Incorporated. Retrieved on 2012-05-29. A link to various publications concerning academic studies of Wikipedia. For the most part, these articles can be Google searched by title to find on-line pdf versions.
- Editor survey 2011. Wikimedia (October 15, 2011). Retrieved on 2012-06-15. First-ever Wikimedia survey of Wikipedia editors based upon 5,073 responses to a questionnaire in all languages, about 0.46% of Wikipedians.
- Editor trends study/Results. Wikimedia (May 14, 2011). Retrieved on 2012-06-15. Graphs and discusses some statistics about Wikipedia, including retention of new Wikipedians, number of active editors, and so forth.
- Devin Coldewey (2012). Wikipedia is editorial war zone, says study. Technolog. msnbc.com TECH. Retrieved on 2012=07-13. A summary of the article linked next.
- Yasseri T, Sumi R, Rung A, Kornai A, Kertész J (June 20, 2012). "PLoS ONE" 7 (6). DOI:10.1371/journal.pone.0038869. Retrieved on 2012-07-13 Besides discussing its topic, this paper lists many of the studies published about Wikipedia.. Research Blogging.
- Mostafa Mesgari, Chitu Okoli, Mohamad Mehdi, Finn Årup Nielsen, Arto Lanamäki, “The sum of all human knowledge”: A systematic review of scholarly research on the content of Wikipedia, Journal of the Association for Information Science and Technology, 2014: 
Criticism and controversy
- Wikipediocracy: The tragedy of Wikipedia commons. Wikipediocracy. Retrieved on 2012-07-23. The mission statement of this site reads: " We exist to shine the light of scrutiny into the dark crevices of Wikipedia and its related projects; to examine the corruption there, along with the structural flaws; and to inoculate the unsuspecting public against the torrent of misinformation, defamation, and general nonsense that issues forth from one of the world’s most frequently visited websites, the “encyclopedia that anyone can edit.”"
- List of Websites Critical of Wikipedia. Wikipedia Review. Retrieved on 2011-10-25. Some old links to criticisms of WP.
- Larry Sanger (Dec 31, 2004). Why Wikipedia Must Jettison Its Anti-Elitism. Kuro5hin. Retrieved on 2011-11-01. A discussion of problems inherent in the structure of WP.
- Wikipedia Watch - controversial, critical site by Daniel Brandt
- Wiki Truth - wiki edited by Wikipedians critical of Wikipedia
- Wikipedia Review - forums for critical discussion of Wikipedia
- A false Wikipedia 'biography' - USA Today editorial by John Seigenthaler on his experience of being accused via a Wikipedia article of involvement in the assassination of President John F. Kennedy An extended version is found here.
- Andrew Keen - blog by the author of The cult of the amateur: how blogs, MySpace, YouTube, and the rest of today's user-generated media are destroying our economy, our culture, and our values, a book which included criticism of Wikipedia. A recent article is: Andrew Keen (October 25, 2011). Wikipedia and the Internet grow up. The Telegraph. Retrieved on 2011-10-25. "The Wikipedia revolution was built upon the experiment of free crowdsourced content." "What is becoming increasingly clear is that the supposedly revolutionary orthodoxies of internet openness and collaboration are often excuses for invasive, dishonest and sometimes even criminal behaviour."
- Wikipedia—The Dumbing Down of World Knowledge — an article (from April 12, 2010) by Edwin Black on Wikipedia, expertise, vandalism and Google's search engine results pages
- Quote: "The Wikipedia concept, if turned right side up, could be a boon to mankind. Allowing named and credentialed scholars from around the world to collaborate in their area of expertise could revolutionize the speedy advancement of knowledge." Edwin Black (April 12, 2010). Wikipedia—The Dumbing Down of World Knowledge. The Cutting Edge. Retrieved on 2011-10-25.
- Timothy Messer-Kruse (Feb 17, 2012). The 'Undue Weight' of Truth on Wikipedia. Chronicle of Higher Education. Retrieved on 2012-02-14. details the efforts of Timothy Messer-Kruse to correct the treatment on WP of the 1886 trials related to the Haymarket riot. He ran into objections based on "verifiability vs. truth" , "majority vs. minority views", "primary vs. secondary sources", and "original research", all of which were employed to obstruct an authoritative account on WP.
- Carl Hewitt (August 25, 2010). Corruption of Wikipedia. Retrieved on 2012-07-15. This is a 59 page collection of nasty assessments and the "dirty laundry" of Wikipedia with examples and commentary from many disgruntled and articulate once-upon-a-time participants. Although very one-sided, some substantial and worthwhile issues are (vehemently) presented. In particular, attention is directed to the possible implications of participation on Wikipedia for one's personal reputation.
- Criticism of Wikipedia. Wikipedia (June 25, 2011). Retrieved on 2012-07-16. A collaborative assessment of Wikipedia by many of its contributors.
- KPMG LLP, San Francisco, CA (September 28, 2011). Wikimedia Foundation, Inc., Financial statements June 30, 2011 and 2010 (with independent auditors' report thereon). Wikimedia. Retrieved on 2012-07-18. The 2010-2011 Wikimedia financial statement.