A report of the two cases of controverted elections of the borough of Southwark, in the county of Surrey; which were tried and determined by select committees of the House of commons, during the first session of the eighteenth Parliament of Great Britain, 37 George III. with notes and illustrations, to which are added, an account of the two subsequent cases of the city of Canterbury; and an appendix on the right of the returning officer to administer the oath of supremacy to Catholics