London, Wellcome Institute MS. 4907. 50 folios. 195x155mm. 18th Century [c.1775.] Nicholas Valois, Nicholas. Hebdomas Hebdomadum Kabalistarum, Magorum, Brachmanarum, Antiquorumque Omnium Sapientum secreta misteria Continens. Illustrated by 37 full page symbolic alchemical water colour drawings.