Vienna, Österreichen Nationalbibliothek MS. 5492 [Med. 186.] 48 folios. 15th Century. 1. f1-2v Videdenus. 'Liber septem experimentorum ad imperatorem Fridericum.' 2. f2v-8 Videdenus. Summa clavium totius alchymice artis. 3. f8-48v Liber artis chemicae adjecta synonymia vocabulorum in arte philosophica usitatorum.