1. Harley MS 3843, ff 13r-25v Reference (shelfmark): Harley MS 3843, ff 13r-25v Title: Computus ecclesiasticus Scope & Content: Computus ecclesiasticus, incipit: 'Cum superior[um] motus omnia a quo infinis gubernantur'. Includes several circular diagrams in ink (ff. 13v-15v, 17r, 17v, 19r, 20r, 21r, 22v, 23v, 24r-25v). Collection Area: Western Manuscripts Languages: Latin Date Range: Mid 15th century Extent: 13 folios.