Links on banned Books

http://digital.library.upenn.edu/books/banned-books.html

http://www.banned-books.com/bblist.html

http://en.wikipedia.org/wiki/List_of_banned_books

http://www.ala.org/ala/oif/bannedbooksweek/bannedbooksweek.htm

http://www.forbiddenlibrary.com/

http://www.alibris.com/articles_features/features/banned/banned.cfm

http://www.cs.cmu.edu/~spok/most-banned.html