Mellon Collection, Yale University Library MS. 49. 145 folios. Paper. 195x152mm. 17th Century [c. 1620.] 1. Artephius. Liber secretus. 2. Antimonij preparatio [and other procedures, in Latin, with an English translation intercalated.] 3. Archbishop of Raymes. XXXI Questions Essential and XI Questions Accidental asked of Master Gwilliam de Cenes. 4. Johannes Bumbele [s?] de Anglia. Stella complectionis.