Edward Winslow, The Danger of Tolerating Levellers in a Civil State (London, 1649) (from the title page)

The danger of tolerating levellers in a civil state, or, An historicall narration of the dangerous pernicious practices and opinions wherewith Samuel Gorton and his levelling accomplices so much disturbed and molested the severall plantations in New-England : parallel to the positions and proceedings of the present levellers in Old-England : wherein their severall errors dangerous and very destructive to the peace both of church and state.