British Library MS. Arundel 164. 194 folios. Partly in parchment, partly paper. Folio. 15th Century. 13. f127v Albertus Magni liber 'de occultis naturae', sive de alchemia. 14. f131-155, 187-192 Gebri Arabis philosophi Summa perfectionis, sive libri duo de chemia, Latine, incerto interprete. 15. f155 Tholosini Expositio Hermetis Trismegisti de lapide philosophico. 16. f157 Liber Deitatis, sive Divinitatis, de lapide philosophorum.