https://en.wikipedia.org/wiki/Book_censorship_in_the_United_States https://en.wikipedia.org/wiki/Book_censorship_in_the_United_... https://en.wikipedia.org/wik

https://en.wikipedia.org/wiki/Book_censorship_in_the_United_States https://en.wikipedia.org/wiki/Book_censorship_in_the_United_... https://en.wikipedia.org/wiki/List_of_books_banned_by_governments#United_States https://en.wikipedia.org/wiki/List_of_books_banned_by_govern... https://en.wikipedia.org/wiki/Comstock_Law https://en.wikipedia.org/wiki/Comstock_Law https://en.wikipedia.org/wiki/Red_Scare https://en.wikipedia.org/wiki/Red_Scare I mean that last one doesn't mention any "legally prohibited" whatnots, but if you were suspected of being a commie because of for example being known to read the wrong thing by the House Un-American Activities Committee you'd be in trouble. Definitely chilling effects.