Oxford, Bodleian Library MS. Ashmole 1458. 57 folios numbered 107-163 17th Century. 1-13. f107-130 [Various letters on alchemy, medicine and other matters, from or to Richard Napier, Ashmole and others.] 14. f131v [A catalogue of 12 alchemical and chemical operations.] 16. f136-138 [A preface of Pontanus, relating his long search after the true konwledge of the philosopher's stone, and the working thereof.] 17-22. f140-153 [Various fragments and short alchemical piece, one by Napier, another by Forman.] 23. f154 Howe the ellementes be subtylyated, and how they be ingrossed, by the circuler whelle [which] is called the gollden chayne of Raymonde Lullye, cap. 81. his theoricke. 24. f155r [Letter from Robert Thomson to Napier.] 25. f156 [The process of an alchemical experiment for a projection on gold and silver, written by Napier.] 26-28 [Letters, two in Latin, one in Dutch to Gravius.]