Article 3, Section 2, Clause 1
Document 73
United States v. Schooner Little Charles
1 Marshall's C.C. 380 C.C.D.Va. 1819The courts of the United States have never doubted their right to proceed under their general powers, as courts of [Volume 4, Page 326] admiralty, where they were not restrained from the use of those powers by statute.
The Founders' Constitution
Volume 4, Article 3, Section 2, Clause 1, Document 73
http://press-pubs.uchicago.edu/founders/documents/a3_2_1s73.html
The University of Chicago Press