Paris, Bibliothèque Nationale MS. Français Nouvelles Acquisitions 4141 [Ancient Saint-Germain français 1959] 45 folios. Paper. 205x140mm. 15th Century. [Short alchemical and astrological works.] 1. f4v Incipit Rosarius alkymicus Montispessulani. Lo premier regimen de la nostra peyra es dissolvre la en argen vieu  2. f29 Incipit liber fratris Johannis de Rupicisa, qui dicitur liber lucis et tribulacionis. 3. f39 [Astrological prognostications.] [on f38v is the signature of the copyist 'J. Guode'.] [From the library of de Séguier].