Migration and Importation Clause/Slave Trade Clause
The Migration or Importation of such Persons as any of the States now existing shall think proper to admit, shall not be prohibited by the Congress prior to the Year one thousand eight hundred and eight, but a Tax or duty may be imposed on such Importation, not exceeding ten dollars for each Person.
- Puff's Notes of Robert Whitehill's Speech
- James Wilson in the Pennsylvania Convention
- Anthony Wayne's Notes of the Pennsylvania Ratification Convention
- Thomas Lloyd's Notes of the Pennsylvania Ratification Convention