"Reprints from first editions in the possession of the Harvard university library. All are printed entire save the Essay upon reason." - Pref.With facsimiles of original title-pages: (1) Organum vetus & novum. Or, A discourse of reason and truth ... London, S. Crouch, 1678. (2) An essay upon reason, and the nature of spirits ... London, J. Dunton, 1694. (3) Of the soul of the world; and of particular souls. In a letter to Mr. Lock, occasioned by Mr. Keil's reflections upon an essay lately published concerning reason. By the author of that essay ... London, D. Brown, 1699.Mode of access: Internet
