Oxford, Bodleian Library MS. Add. C. 58. ii +170 folios. Mid 17th Century. In Latin. Transcript of a printed book entitled 'Steganographiae necnon Claviculae Salomonis Germani, Ioannis Trithemij... Declaratio... A Ioanne Caramuel... concinnabatur...(Coloniae, 1635)'. An explanation by Caramuel of a book on secret writing by various uses of the alphsbet; with frequent mentions of spirits such as Martaliel, Samiel, Thuriel.