Oxford, Bodleian Library MS. Rawlinson A. 404. Quarto. 90 folios. 18th Century. [Transcript of chapters i-xi of a treatise intended to serve as preliminary to a mystical work by Dr John Pordage. The subjects discussed in these chapters are, spirits, reason, the nature and attributes of God, eternity etc. A note of Rawlinson's on a fly leaf at the beginning atates that 'this was found amongst Dr Keith's papers, a Philadelphian and a mystic'.]