Glasgow University Library MS. Ferguson 32. 179 folios on vellum. 103x61mm. 15th Century. 1. f1-81 Sal commune est claviger huius artis et claudit et aperit omnia... quia talis fistula est incurabilis. [Alchemical work, the first page of which agrees with Albertus Magnus, De alchemia, ed. Zetzner, 1669, ii. 433.] 2. f83-179 Herbarum quasdam dicturus carmine uires. [List of plants with recipes. See Macer, Johann Gregorius De viribus herbarum, 1510, and many later editions.]