Florence, Biblioteca Nazionale MS. Palat. 933 [833 - 21,2.] 125 folios. Paper. 217x150mm. 16th Century. 3. f5-17, 60-61, 85-88, 92-94, 123-125 [Alchemical secrets and recipes.] 4. f18r-59r Allessandro Stagnettari. Triplice del l'Universo [dialogue concerning the hierarchies, the virtues and ministeries of angels.] 5. f62-83 [Treatise on alchemy in Italian.] 6. f88v-91 Raymundi de Insula. De generatione lapidum [in Latin.] 7. f95r-122v [Alchemical recipes in Italian and Latin.]