An examination of the constitutionality of the embargo laws : comprising a view of the arguments on that question before the Honorable John Davis, Esquire, judge of the District Court for Massachusetts, in the case of the United States vs. Brigantine William, tried and determined, at Salem (Mass.) September term, 1808 / by Francis Blake ; to which is added, the opinion pronounced by the court on the constitutional question, arising in the trial of the case.