Leiden MS. Vossianus Chym. F. 5. ii + 398 folios. Paper. 240/270 x 130mm. 16th Century. 1. f1-4 [Recipes in German.] 2. f5-39v Preciosissimum Dei Donum. [in German.] 3. f40-70v Ortus Divitiarum [in German.] 4. f71-112v Declaratio alchimiae [in German.] 5. f113-125v Hermes Trismegistus, Operatio [in German.] 6. f126-140v Arnaldus de Villanova, Prognosticon [in German.] 7. f141-171v Thesaurus Philosophiae [in German.] 8. f171v-177 Practica Hermetis [in German.] 9. f177v-201 Geber, De veritatis investigatione [in German.] 10. f201v-206v Summa Platonis [in German.] 11. f207-209 Theorica Platonis [in German.] 12. f209v-213 Opera varia [in German.] 13. f213 Johannes Thedinien[sis?], Lumen luminum secretorum et consolatio miserorum [in Latin.] 14. f215-223v Hermes Trismegistus, Tabula Smaragdina. 15. f224v-289v De prima materia [in German.] 16. f290-300v Liber quintae essentiae rerum transmutabilium [in German.] 17. f301-324v Die Wahrhaftige Kunst der Alchimie. 18. f325-339 [Various operations in German.] 19. f339-343 [Constellations of the planets, in German.] 20. f344-268 [Johann von Sternhals], Der Ritter Kreig [in German.] 21. f369-379 [Extracts in German concerning the Philosophers Stone.] 22. f380-384 [Arnaldus de Villanova], Epistula super alchimia ad regem neapolitanum sive flos regis [in German.] 23. f384-390 [Various notes.]