A history and defence of Magna charta. : Shewing the manner of its being obtained from King John, with its preservation and final establishment in the succeeding reigns; with an introductory discourse, containing a short account of the rise and progress of national freedom, from the invasion of Caesar to the present times. Also the liberties which are confirmed by the Bill of rights, &c. To which is added, An essay on parliaments, describing their origin in England, and the extraordinary means by which they have been lengthened from half yearly to septennial ones / By Samuel Johnson, A.M.