Weimar, Grossherzogl. Bibliothek MS. Q. 462. 208 folios. 17th Century. Lux Lucens in Tenebris Archidoxorum praecipuorum arcanorum medicinalium Spagyricorum. Clavis Sive Liber Decimus, Aureoli, Philippi Theophrasti paracelsi Magni ab Hohenheim. Anno BeLLa MoVet DeVS Inter XrIstIanos In orbe. 1. f64r-68r Praefatio D. D. Theophrasti paracelsi [in German.] f69r-81r [German text in 10 chapters.] 2. f102-172 [Treatise of Basil Valentinus.] 3. f173r-174v Manuale De preparatione Materia Lapidis Philippi paracelsi a Hohenheim [in German.] [Sudhoff, 64.]