Grosjean v. American Press Co., 297 U.S. 233 (1936), was a decision of the United States Supreme Court over a challenge to a separate sales tax on newspapers with circulation of over 20,000.

Senator Huey Long received more support in rural areas whereas the larger urban newspapers tended to be more critical of him.

Justice George Sutherland wrote that "the revolution really began when, in 1765, that government sent stamps for newspaper duties to the American colonies.

The Court stated, "The predominant purpose of the grant of immunity here invoked was to preserve an untrammeled press as a vital source of public information.

It is bad because, in the light of its history and of its present setting, it is seen to be a deliberate and calculated device in the guise of a tax to limit the circulation of information to which the public is entitled in virtue of the constitutional guaranties.