A full and authentic report of the trial of John Bellingham at the Sessions' House, in the Old Bailey on Friday, May 15, 1812, for the murder of the Right Honourable Spencer Perceval, Chancellor of the Exchequer &c. in the lobby of the House of Commons on Monday, May 11, 1812 : accompanied with a faithful narrative of every circumstance relative to it and the debates on the same in both Houses of Parliament : also the arguments of counsel on both sides and Bellingham's own defence at length : to which are added, biographical sketches of Mr. Perceval and Bellingham