Reports of the trials of Colonel Aaron Burr, (late vice president of the United States,) : for treason, and for a misdemeanor, in preparing the means of a military expedition against Mexico, a territory of the King of Spain, with whom the United States were at peace : in the Circuit Court of the United States, held at the city of Richmond, in the district of Virginia, in the summer term of the year 1807 : to which is added, an appendix, containing the arguments and evidence in support and defence of the motion afterwards made by the counsel for the United States, to commit A. Burr, H. Blannerhassett and I. Smith to be sent for trial to the state of Kentucky, for treason or misdemeanor, alleged to be committed there