Liber nonus ad Almansorem (cum expositione Silani de Nigris).Rāzī, Abū Bakr Muḥammad ibn Zakarīyā, 865?-925?10 April 1490.latSignatures: a8-i8, k6-m6."Receptae super nonum ad Almansorem", by Petrus de Tussignano: leaves 74v-89.Illuminated border of flowers and ornaments on leaf a2, two initials painted in several colors, and letters of red and blue.