Youngstown Sheet & Tube Co. v. Sawyer · ¶14

It is said that other Presidents without congressional authority have taken possession of private business enterprises in order' to settle labor disputes. But even if this be true, Congress has not thereby lost its exclusive constitutional authority to make laws necessary and proper to carry out the powers vested by the Constitution “in the Government of the United States, or any Department or Officer thereof.”

U. S. Reports, bound volume
U. S. Reports, volume 343, at 579 (Library of Congress) · transcription: Caselaw Access Project
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