London, Wellcome Institute MS. 1068. 1 folio + 85 pages + 2 folios. 190x130mm. 18th Century. 1768. [Barone. Receipts for artificial gems, and a translation of 'Demogorgon' attributed to Geber. In Italian.] p15-85 'Demogorgon'. [First published at venice in 1544, as the first Dialogue in Giovanni Bracesco's 'De Alchimia'.]