Glasgow University Library MS. Ferguson 83. 240 folios. 211x150mm. 15th Century. [Works of Ramon Lull.] 1. f1-148 Incipit theorica Raimundi Lulii. In arte maiori. Que est prima pars testamenti. [See Singer No.244.] f149-160 [A number of circular diagrams in red and black ink.] 2. f162-212 Thesaurus infinitus Raimondi vel Codicillum vel vade mecum de numero philosophorum. [Inscribed at end on f212]: 'Explicit thesaurus infinitus deo gratias 1468, mensi februarrii, die nona omnibus incomplens hora 2nd Amen.' [See Singer No.252.] 3. f212v-214 Incipit afforismii. Aurum philosophorum lapis est... [Inscribed at end on f214]: 'Explicit practica raimundi lullii...' f214v-215r [Two diagrams in red and black ink.] 4. f216-231 Compendium Practica magistri raimundi de compositione lapidis philosophorum. [See Singer No.253 Anima artis transmutacionis.] 5. f236-240v Incipit epistola magistri raimundi... [See Singer, No. 250.]