title: Alchemy, magic, poisons and the virtues of stones in the old Russian Secretum secretorum.
authors.forename: W F
authors.initials: WF
authors.lastname: Ryan
mesh_terms: D001671:Biochemistry / Q000266:history*; D002621:Chemistry / Q000266:history*; D049692:History, Early Modern 1451-1600; D049711:History, Modern 1601-; D008273:Magic / Q000266:history*; D008373:Manuscripts as Topic / Q000266:history*; D008903:Minerals / Q000266:history*; D009781:Occultism / Q000266:history*; D014586:USSR
chemical_list: D008903:Minerals