Glasgow University Library MS. Ferguson 63. 98 folios. 174x84mm. 15th Century. 1. f1-50 Incipit liber Turbe philosophorum. Arisleus philosophus. Inicium libri Turbe philosophorum. Qui dicitur Codex veritatis. [See Singer No.1.] 2. f51-62 De quibusdam vegetabilibus congelativis et indurativis. 3. f67-71 Aliqua extracta et Practica Magistri Johannis de Nanis de Viterbo 1470. 4. f72-82 Liber Secretissimus secretorum Geberis de ordine in projectione aggregationis omnium corporum liquabilium purgatorum. 5. f83-89 Rosa Novella Magistri Arnaldi de Villa Nova 1435. [At end f89]: 'Explicit Rosa Novella Magisteri Arnoldi de Villa Nova. 1495.' 6. f91-98 Triginta questiones Arnoldi de villa noua super opus maius. [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'.]