Including, 'To Kill a Mockingbird'-- for that matter.
A number of books listed in the article are in the ALA list, which gives a historical perspective on attacks on these works: http://www.ala.org/advocacy/bbooks/frequentlychallengedbooks...
Books from this list that that aren't on the current ALA classics list (though they're also elsewhere on the ALA site but without context, e.g. http://www.ala.org/advocacy/bbooks/frequentlychallengedbooks...):
https://www.mtsu.edu/first-amendment/article/789/adventures-...
http://collectingchildrensbooks.blogspot.com/2009/04/this-on...