Wolfenbüttel, Herzog-August-Bibliothek MS. Helmstedt 676. [627.] 220 folios. Paper. 210x145mm. 15th Century [1444.] 5. f61-62 [Recipes.] 7. f66v-67v Bona perfecta [recipes.] 11. f73-82v Tractatus chymicus "Quia in opere alkimie". 13. f85 Tabula chymica. 15. f86-91 Allerhand alchymistische Recepte. Von den Elementen und Planeten [in German.] 16. f91-130v Albertus Magnus. Compendium alchemie [in German.] 17. f130v-131v [Recipe in German.] 18. f132-135 Modus faciendi cerussam [and other alchemical recipes.] 19. f135v-137 [Alchemical verse.] 20. f137v-139, 146v-149 [Recipes.] 21. f139v-146 De lapide benedicto. 22. f150-154v De lapide philosophorum. 23. f154v-156 [Alchemical notes.] 24. f158-172 [Alchemical work, beginning missing.] 25. f172v-185v [Various alchemical works, some in German, some in Latin.] 27. f216v-217v De aqua.