http://www.cs.cmu.edu/Web/People/spok/banned-books.html
Banned Books Online is a site is devoted to notable literary texts that have been subject to censorship or censorship attempts. It houses texts such as James Joyce's 'Ulysses,' Voltaire's 'Candide,' Cleland's 'Fanny Hill,' Aristophanes' 'Lysistrata,' and Chaucer's 'Canterbury Tales,' to name a few. The 'whys' and 'wheres' of censorship are discussed in detail, making this an informative and well-documented site.