The Levellers levelled to the very ground [electronic resource] : Wherein this dangerous seditious opinion and design of some of them; that it is necessary, decent, and expedient, now to reduce the House of Peeres, and bring down the Lords into the Commons House, to sit and vote together with them, as one House. And the false absurd, grounds whereon they build this paradox, are briefly examined, refuted, and laid in the dust. / By William Prynne, Esqr.