Alnwick Castle MS. 590. 38 folios. Paper. 18th Century. Heptameron de Ludowici Zypriani, de Mongold Arcanum Secretum, die Schatze zu heben. Gedruchter zy Lion, den 4ten Maj, In Jahr Christen 1304. [In German. In red and black inks.] [Work of Christian Alchemy - references to blood of Christ].