The Association of Illinois School Library Educators (AISLE) Intellectual Freedom Resource Center provides resources and support relating to book challenges.
The Office of Intellectual Freedom (OIF) is the American Library Association's office for policies relating to intellectual freedom. The OIF provides support, training, and education relating to book challenges.
The Comic Book Legal Defense Fund (CBLDF) is a non-profit organization focusing on the protection of the First Amendment rights of the comics art form and provides support and education relating to comic censorship.
The Freedom to Read Foundation (FTRF) is a non-profit organization affiliated with the American Library Association providing support and education relating to the First Amendment.
The National Coalition Against Censorship is an organized alliance of more than 50 national non-profit organizations promoting free expression and First Amendment principles.