Mellon Collection, Yale University Library MS. 87. 60 folios. Paper. 283x206mm. 18th Century [c. 1725.] [Alchemical miscellany in Latin.] 1. Thesaurus mundi. [Compare with MS. Sloane 1316.] 2. Doctrinae filii. [With series of drawings of process in flasks, possibly Donum Dei series.] 3. Speculum veritatis vere artis. [Series of coloured illustrations of 'Vallis novi' series.]