Harper Lee's "To Kill A Mockingbird," considered one of the best novels of the 20th century, is also one of the most controversial.
What classics of literature have been banned or challenged? - Quora
The Controversy of Banned Books in American High Schools – The Science Survey
Retelling a classic in 2018: The debate over To Kill a Mockingbird
To Kill a Mockingbird' will be removed from ninth-grade required reading list in Mukilteo
Classic or Outdated: Should 'To Kill a Mockingbird' Still be Taught in Schools? - Bookstr
Progressive teachers try to 'prohibit' 'To Kill a Mockingbird' in classrooms: 'Is this a book ban?
Harper Lee, “To Kill a Mockingbird” – The Banned Books Project
What is the most frequently challenged or banned literary work in America? - Quora
ocbeachteacher: Teaching To Kill a Mockingbird
19 banned and challenged books everyone should read - 9Honey