Here is a list of resources about banned books:
List of Classic Book Challenged http://bit.ly/LdDLu
Reason For Challenged Classic Books http://bit.ly/2mdTx4
About Banned Books http://bit.ly/1aRlPz
List of Challenged Books By Year http://bit.ly/R6g1H
Google News Listing For Banned Books http://bit.ly/mWqAu9