Glasgow University Library MS. Ferguson 21. 65 folios. 208x160mm. 17th Century, dated on spine '1691'. The Hieroglyphic Unit of John Dee of London. For Maximillian by the Grace of God the most wise King of the Romans, Bohemia and Hungarie. Frankfurt at J. Wechelum, Peter Fisher MDXCI. [This is an anonymous translation into English of John Dee 'Monas Hieroglyphica', Franckfurt, 1591.]