Constitutionality of the Bituminous Coal Conservation Act of 1935. Argument of Honorable John Dickinson, assistant attorney general of the United States, before the Supreme Court of the United States, in behalf of the government officer defendants in the case of Carter v. Carter Coal Co., Helvering, et al.... February 24 (calendar day, Apr. 21), 1936. -- Ordered to be printed. [electronic resource]