Banned & Challenged Books (2013-03-26). "Banned & Challenged Classics". Office for Intellectual Freedom. Archived from the original on 2019-12-04. Retrieved 2021-05-03.
Banned & Challenged Books (2013-03-26). "Banned & Challenged Classics". Office for Intellectual Freedom. Archived from the original on 2019-12-04. Retrieved 2021-05-03.