1600-1681 1609- 1614?-1657 17thcentury 941 active1646 biographies biography civilwar(greatbritain:1642-1649) commons communism earlyworksto1800 england gerrard greatbritain history john levellerslilburne lilburne overton pamphlets politicalscience politicsandgovernment puritanrevolution(greatbritain:1642-1660) quakers radicalism richard sources walwyn william winstanley