Leiden MS. Vossianus Chym. Q. 37. 73 folios. Paper. 207x144mm. First half of 16th Century. 1. f1-45 Isaac Hollandus, Elixir philosophorum oft lapis compositus [in Dutch.] 2. f45-59v Isaac Hollandus, [Additions to the preceeding work in Dutch.] 3. f60-70v Isaac Hollandus, De vino [in Dutch.]