London, Wellcome Institute MS. 513.
10 + 110 folios. 215x155mm. Mid 15th Century.

Miscellanea Alchemica IV.
1. f1-38 J. de Rupescissa. Liber de consideratione uintae Essentiae.
2. f38v-40 Auctoritates philosophorum.
3. f40v [2 watercolour drawings of Lunaria, with Italian notes.]
4. f41-47 Petrus Hispanus. Liber naturalis [extract.]
5. f47v-52 Arnoldus de Villanova. De secretis naturae.
6. f52v-77 [Miscellaneous notes and extracts.]
7. f78-80 [Notes.]
8. f81-88v Hortulanus. Expositio in tabulam smaragdinam Hermetis.
9. f89-91 [Miscellaneous alchemical receipts.]
10. f92-97 Guilhelmus Tecenensis. Lilium de spinis evilsum [incomplete.]
11. f97-103 [Alchemical receipts.]
12. f103v-end [Alchemical notes.]