1. Harley MS 6331, ff 107v-142v Reference (shelfmark): Harley MS 6331, ff 107v-142v Title: Aristotle, De caelo et mundo Scope & Content: Aristotle, De caelo et mundo. Decoration: 3 decorated initials 'D'(e natura), 'Q'(uoniam), 'D'(e primo) in gold and colours with acanthus extending into the margin, at the beginning of each book. Collection Area: Western Manuscripts Languages: Latin Date Range: 1st half of the 14th century Extent: 36 folios.