Cambridge, Trinity College MS. O.2.22. 45 folios. Paper. 219x162mm. Early 16th Century. 1. f1 Epistola Arnaldi de Villa Noua ad Robertum Regem. 2. f6 Hic inc. tract. in quo nominat lapidem philosophorum Intellige ergo dictum [There follows a number of alchemical receipts, some in English.]