Glasgow University Library MS. Ferguson 135. 123 folios. 180x87mm. 15th Century. 1. f1-75 Incipit feliciter Summa alkimiae perfectionis Geberis Regis Arabum pretiotissimi philosophorum. [See Singer No.105.] 2. f78-87 Inicium 2i libri Geberis videlicet commentum suum super sumam suam de inuestigatione perfectionis magisterii. [See Singer No.73, iii, iv.] 3. f88-92 Liber fornacuum Geberis. [At end]: 'Explicit 3us liber furnacuum Geberis.' [See Singer No.72.] 4. f94-100 4us liber Testamenti Geberis. 5. f104-119 Liber quintus Geberis compendiosum de inuestigatione perfectionis magisterii pratice... [See Manget, 'Bibliotheca chemica curiosa', I, 519-564. Also see Singer No.73.] [MSS. Ferguson 63, 76, 135 and 192 are four uniform alchemical notebooks probably once bound together, written by a north Italian scribe identified in MS. Ferguson 76 as 'John Visio'.]