c2.com - Wikispam 
Information about ongoing issues with and responses to wikispam.
http://c2.com/cgi/wiki?WikiSpamWikipedia - Wikispam
Covers two types of wikispam: advertisements masquerading as articles, and wide-scale external link spamming.
http://en.wikipedia.org/wiki/Wikipedia:Spam
Chongqed.org - Fighting wiki spam
A creative response devised to beat one particular spammer at his own game.
http://chongqed.org/fightback.html
Meatball Wiki: WikiSpam
Article discussing causes of WikiSpam and possible solutions.
http://www.usemod.com/cgi-bin/mb.pl?WikiSpam
CommunityWiki: WikiSpam
Discussion of how to fight wikispam.
http://www.communitywiki.org/cw?WikiSpam
