Leiden MS. Vossianus Chym. Q. 25.

Leiden MS. Vossianus Chym. Q. 25.
222 folios. Paper. 202x155mm. 16th Century [before 1552.]
1. f2-8 Jean de Roquetaillade [Johannes de Rupescissa], Liber lucis.
2. f8v-13 Johannes de Domblelay, Sermo in turba philosophorum.
3. f13-17v Pseudo Thomas Aquinas, [Extract.]
4. f17v-22 Pseudo Roger Bacon, Speculum alkymiae [8 chap.]
5. f22v-24v [Recipe taken from an unknown work.]
6. f25-16v De elementis [extract.]
7. f27-30v Liber trium verborum.
8. f31-38v IV regimina operis.
9. f39-49v De potestate divitiarum (XLV themata).
10. f50-61 Officia elementarium qualitatum.
11. f61v De digestione.
12. f62-75v Rosarius minor.
13. f76-80v Thesaurus philosophiae.
14. f81-87 Recapitulation of 'Thesaurus philosophiae'.
15. f87v-90 Disputatio magistri cuiusdam cum discipulo.
16. f90v-93v Alia disputatio.
17. f94-102 [Raymundus de Terminis?], Epistola prima.
18. f102v-105 Problemata philosophorum.
19. f105v-116v Soliloquium philosophiae maius [22 chap.]
20. f116v-117v Versus de lapide.
21. f118-123 Admonitiones.
22. f123v-134v De fermento.
23. f135-140 Haymo, De lapide philosophorum.
24. f140v-149 Ademari Parisiensis dialogus cum Guillelmo fratre eius.
25. f149v-171v Bernard Trevisan, Epistula ad Thomam de Bononia.
26. f171v-179 Pseudo Albertus Magnus, Alchymia.
27. f179v-180 Auctoritates quorundam philosophorum.
28. f180v-181v [Alchemical explication of the hymn 'De resurrectione Domini' by Adam de Saint-Victor.]