Oxford, Bodleian Library MS. Ashmole 1392. 124 + 64 pages. 17th Century. 1. pp7-57 A mystical treatise of occult Philosophy, or the philosopher's stone, by Christopher Taylour; addressed to a Lady'. 2. pp63-101 'A briefe treatise or hypothesis of one booke called Speculum Universi, or Universal Mirrour'. [In Ashmole's hand.]