Munich, Bayerischen Staatsbibliothek MS. Clm 653. 141 folios. Octavo. 15th Century. 1. f31 Ad faciendum saphirum et alia recepta. 2. f33 De antimonio quod dicitur leo viridis. 3. f47 Liber abbreviatus comprobatus verissimus thesaurus thesaurorum. 4. f63 [Various alchemical pieces, some in Latin and others in German.]