Glasgow University Library MS. Ferguson 53. 174 folios of which 93 are blank. 237x177mm. 17th Century. De Ortu Aquarum [Notes probably from an unidentified printed book possibly by Agricola. There are marginal references to page numbers with prefix 'Agr'.. The initial sections are entitled 'De Ortu Aquarum', 'De Thermis', 'De Calore humerorum subterraneorum'.] [See Georg Agricola, 'De Ortu et causis subterraneorum', libri V, Basel 1546.] [Bookplate of Hopetoun.]