United States Courts cases centered on First Amendment rights.

Information from the ALA regarding banned books with lists of the most frequently challenged books, information about Banned Books Week, and FAQ's.

The ALA's "Freedom to Read" statement, originally issued in 1953, frequently amended and expanded since that time.

The ALA's Office of Intellectual Freedom has compiled information and resources for educating on topics of censorship, access, and rights.

The ACLU provides information on the news, court cases, and importance of preventing censorship.

The Iowa ACLU provides information specific to bans and challenges of books within the state of Iowa.