British Library MS. Sloane 3708. Paper. Quarto. 102 folios. 17th Century. 2. 'The Practise of John Lydgaate, Mounke of Burye, De lapide philosophorum'. ff.3-68. Begins: 'Sufficiently by me it is most plainely declared, in my booke of chymestry, what the philosophers' stone and their prima materia is'. 3. 'A copie owt of a booke, the which I had of my unckle Steaples, the 21st May 1661'. ff.69-76. The Prologue begins: 'Deare Brother, if you mind to follow the art of alcymy and to worke in it lett me give you warning'. The Treatise begins: 'My writings containeth three things, which according to Philosophers are the beginning of all things naturall'. 4. An exposure of the errors of the medical schools; with an account of the studies of the Author [George Starkey?]; with his corrections. ff.79-102. Begins: 'The Author's promises. I will lay open the errors of the schooles touching those things which they rashly have accompted the fundamentals of nature'. The following note occurs on the fly-leaf: 'Liber Georgii Starkii, eptus Londini, in platea Woodstreetensi, anno 1652'.