Oxford, Bodleian Library MS. Ashmole 1503. 17th Century. I. ff2-5 A short discourse of the original matter and formation of things, on hermetic principles; by 'J.W. Octo. 1679'. II. ff7-40 Collectanea de re alchemica, a quodam 'Sawterman' ex auctoribus multis antiquis collecta et transcripta.