
1) Book censorship
Found on
https://www.crosswordclues.com/clue/book-burning

Book burning (also biblioclasm or libricide) is the practice of destroying books or other written material. In modern times, other forms of media, such as phonograph records, video tapes, and CDs have also been burned or shredded. Book burning is usually carried out in public, and is generally motivated by moral, religious, or political objections...
Found on
http://en.wikipedia.org/wiki/Book_burning

the destruction of writings of which the subject, the view of the author, or the like is considered politically or socially objectionable: used as a means of censorship or oppression.
Found on
https://www.infoplease.com/dictionary/book-burning
No exact match found.