British Library MS. Sloane 1068. Paper. Folio. 389 folios. 17th Century. 1. 'De alchymia dialogi duo; quibus premittuntur propositiones centum viginti novem, ex Tuscanico idiomate traducta per Joannem Petreium, civem Norimbergae, A.D. 1548. Quorum auctorem fuisse Joannem Bracescum Euonymus Philiater in suo Thesauro de remediis secretis testatur.' f.1. Printed in octavo. Lugd. 1548. 2. 'Chrisogoni Polidori in libellos aliquot Alchemie Gebri Prefatio ad lectorem'. Begins: 'Cum electos aliquot veterum libellos de alchemia'. 3. 'Gebri Arabus libellus, de Investigatione perfectionis; incerto interprete'. f. 252. Printed Argentorati, 1531, f.56. 4. Ejusdem de Alchymia libri duos, quibus titulum fecit, 'Summa perfectionis, sive perfecti magisterii', incerto interprete. f.262. [Printed Argentorati, 1531, f.3.] 5. Ejusdem liber quem 'de Inventione veritatis sive perfectionis', inscripsit; incerto interprete. f.357. [Printed Basiliae, 1561, p.112.] 6. Ejusdem 'liber fornacum, ad exercendam chemiam pertinentium; interprete Rodogero Hispalensi'. f.369. [Printed Basiliae, 1561, p.193.] 7. 'Noven lumen Arnoldi', de Villa Nova. f.381. Printed among his Works, in folio edition Lugd. 1520, f.300b. 8. 'Epistola magistri Arnoldi de Villa Nova super Alkimia, ad regem Neapolitanum'. [Mutilated.] f.388. [Printed ibid., f.304b.]