Leiden MS. Vossianus Chym. F. 15. 346 folios. Paper. 310x200mm. 16th Century. 1. f3-65v Arnaldus de Villanova, Rosarius Maior [in German.] 2. f66-81 Arnaldus de Villanova, Lumen novum [in German.] 3. f81-89v Arnaldus de Villanova, Sigilla [in German.] 4. f89v-109 Arnaldus de Villanova, Flos florum [in German.] 5. f109v-115 Arnaldus de Villanova, Epistula ad regem Neapolitanum. [in German.] 6. f116-150 Rosarius minor. 7. f151 [Table of contents to the second part of the volume.] 8. f152-156v [Various pieces in German on goldmaking.] 9. f156v-165 De praeparatione lapidis rebis [in German.] 10. f165v-180v De salibus et quintessentia exhaurienda [in German.] 11. f180v-181v Magister Thomas vonn Wasserburgk, De virtutibus olii celestini [in German.] 12. f181v-185 Ars educendi sales ex omnibus mineralibus et metallis [in German.] 13. f185-225 De tincturis [in German.] 14. f226-240v [Johannes Sternhals], Der Ritter Kreig. 15. f241-284v Tractatus chemicus ad distillandum et aurum argentumque faciendum, adpictis figuris vasium [in German.] 16. f285-345v Donum Dei [in German. f320-335 has many coloured illustrations.]