Mellon Collection, Yale University Library MS. 24. 91 folios. Paper. 212x150mm. 16th Century [c. 1505.] [Alchemical Miscellany, in Italian and Latin.] 1. Christopher of Paris. La somma minore, 1471, [in Italian.] 2. Christopher of Paris. Cithara, or Medolla della SummeTA, 1474, [in Italian.] 3. Christopher of Paris. [Letter to Andrea Ognibene, 1473, in Italian.] 4. Christopher of Paris. [Three alchemical alphabets, in Latin and Italian.] 5. Christopher of Paris. [Unidentified short tract in Italian.] 6. Christopher of Paris. [Letter to Andrea Ognibene, 1473, in Italian.] 7. Christopher of Paris. De consideratione quinte essentie [in Latin.] 8. [Three recipes for making blue pigments, in Latin.] 9. [A procedure for etching a design on an iron surface, in Latin and Italian.]