Three-Text Edition of Thomas Hobbes's Political Theory

"It is well known that Thomas Hobbes wrote his political theory multiple times. 'This little MS. treatise [The Elements of Law: Natural & Politic] grew to be his Booke De Cive, and at last grew there to be the so formidable LEVIATHAN.' The first work circulated in manuscript in 1640; the second, Latin version was published in 1642 and in a second edition in 1647; Leviathan came out four years later, with a Latin edition following in 1668. In composing De Cive and Leviathan, Hobbes drew on the earlier text(s), re-using, expanding, re-organizing, and adding to material that had appeared previously"--