London, Wellcome Institute MS. 4906. 50 folios. 235x180mm. Mid 18th Century. Nicholas Valois. Hebdomas Hebdomadum Kabalistarum, Magorum, Brachmanarum, Antiquorumque Omnium Sapientum secreta misteria Continens. [Illustrated by 38 (one doubled) full-page symbolic alchemical water-colour darwings.]