Mellon Collection, Yale University Library MS. 101. 196 folios. Paper. 193x132mm. 18th Century [c. 1750.] 1. Il maestro della sacra arte ermetica. 2. Paolo Francesco d'Arso. Trattato, or Canto [Alchemy in verse.] 3. [Seven alchemical poems in Italian.] 4. [A short alchemical procedure and a brief discussion of earlier alchemical procedures.] 5. De lapide philosophorum veritate [in Italian.] 6. Filo d'Ariadne [in Italian, with a letter from Peregrino Grimaldi on the alchemical process.]