London, Wellcome Institute MS. 383. 4 + 301 folios. 205x135mm. 16th Century [c.1565.] Frater Joannes Baptista. [Collection of short alchemical works and extracts in Latin, with a few entries in Italian and Spanish.] Vol. I. 1. ff1-87 [Collection of short extracts from alchemical authors, mainly from Arabic and medieval alchemical writers, but also icluding excerpts from G. Agostino Pantheo, and Joannes Baptista Montanus.] 2. ff87-100 Richardus Anglicus. Correctiorum alchemiae. 3. ff100-107v R. Bacon. Speculum alchemiae. 4. ff107v-125 Khalid ibn Jazid. Liber secretorum alchemiae. 5. ff125v-129 [Miscellaneous alchemical notes and extracts.] 6. ff129-136v Johannes de Nani [or Narni]. Lapis minor. 7. ff137-152 Arnoldus de Villanova. Perfectum magisterium. 8. ff152v-183 Arnoldus de Villanova. Rosarius. 9. ff183-198 Geber. De investigatione magisterii. 10. ff198-204v Khalid ibn Jazid. Liber trium verborum. 11. f205-207v Arnoldus de Villanova. Visio mystica. 12. f207v-209v Arnoldus de Villanova. De secretis naturae. 13. ff210-224 [Miscellaneous alchemical notes and extracts.] 14. ff225-226v Hortulanus. Expositio super textum Hermetis. Part I. 15. ff227-232bis John Dastin. Practica. 16. ff232bisv-235 Hortulanus. Expositio super textum Hermetis. Part II. 17. ff236-240v Rosinus. De lapide. 18. ff240-244 R. Lullius. Epistola accurtationis. 19. ff244-244v Geber. Epistola. 20. ff245-251 J[oannes] B[aptista]. Tractatus de medicina tertii ordinis. 21. ff251-257v Alphidius. Liber methaurorum. 22. ff257-v261v {Rhazes?] Liber perfecti magisterii. 23. ff262-268v Pseudo St. Thomas Aquinas. Liber super lapidem philosophicum. 24. ff268v-268terv A. de Abbatia. Epistola. 25. ff268-289 Consilium conjugii sive de massa solis et lunae. 26. ff289v-295 Arnoldus de Villanova. Novum lumen. 27. ff295-298 Lapis hispanis. [From the Julius Kohn library.]