Leiden MS. Vossianus Chym. Q. 51. 174 folios. Paper. 191x160mm. 16th Century [1563.] Liber de magna alchymia [in German.] f1*[Preface.] f1*v-3v [Symbols of the metals and the planets.] 1. f9-80 Das Worttwärcklich Buch. 2. f81v-101[Dialogue of the King and Queen. German poem.] 3. f105-124 De lapide philosophorum. 4. f135-154v Rosarius. 5. f154v-161 Practica de Furnis [illustrated with 9 coloured drawings.] f167-169v [Index.]