Gibbons v. Ogden · ¶52

The act passed in 1803, prohibiting the importation of slaves into any State which shall itself prohibit their importation, implies, it is said, an admission that the States possessed the power to exclude or admit them; from which it is inferred, that they possess the same power with respect to other articles.

U. S. Reports, bound volume
U. S. Reports, volume 22, at 1 (Library of Congress) · transcription: Caselaw Access Project
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