1. Liber nonus ad Almansorem (cum expositione Silani de Nigris). Creator: Rāzī, Abū Bakr Muḥammad ibn Zakarīyā, 865?-925? Published / Created: 10 April 1490. Call Number: Incunabula +R-183 (Goff) Image Count: 190 Found in: Medical Historical Library, Cushing/Whitney Medical Library > Liber nonus ad Almansorem (cum expositione Silani de Nigris).